{"title":"Toyota Valvetrain","description":"\u003cp\u003e\u003c\/p\u003e","products":[{"product_id":"supertech-tevi-1014-supertech-performance-valves-toyota-supra-2jz-exhaust-racing-valve-29x5-97x99","title":"Supertech TEVI-1014 - Supertech Performance Valves - Toyota Supra 2JZ Exhaust Racing valve 29x5.97x99.","description":"\u003cp\u003e\u003cstrong\u003eSupertech TEVI-1014 - Supertech Performance Valves - Toyota Supra 2JZ Exhaust Racing valve 29x5.97x99.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSupertech valves are the best on the market, made from one piece of forged stainless steel for the ultimate in strength and durability. Supertech valves go through a special heat treatment process that obtains the right amount of harness for each engine to ensure the ultimate valve for your performance motor. Supertech offers their valves in either chrome coating, used in high performance valves, or hardened black nitrided which is most popular in European and Japanese motors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSupertech High Performance Race Engine Valves features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe microhardness is higher than the stainless steel base material, keeping good ductility beneath the hard nitrided layer (microhardness is 800HV minimum)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eSurface finish is smoother than with chromed stems, having less friction between stem and guide.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eValve seat surface is harder with the nitrided layer, lasting longer with lead free fuels, alcohols, nitro or other \"explosive\" mixes. Matches any kind of seats (nodular iron seats, steel powder metal seats, hard aluminum-copper seats or beryllium copper seats).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eHigher rpm's engines take full advantage of all previous features. The higher the engine speed the bigger the power loss due to internal engine friction! The black nitride layer reduces this power loss due to less valve-guide friction.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe nitrided layer is adhered to the base material at a microscopic level, so does not\"flake\" or brake when the valves bend due to impacts with the pistons.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe Black Nitride applies to the whole valve while the chrome coating is only applied to the stem.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":35089352196250,"sku":"ST-TEVI-1014","price":32.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/hevi-1033d_3_148.jpg?v=1594266661"},{"product_id":"supertech-tevi-1016-supertech-performance-valves-toyota-supra-2jz-exhaust-racing-valve-30x5-97x99","title":"Supertech TEVI-1016 - Supertech Performance Valves - Toyota Supra 2JZ Exhaust Racing valve 30x5.97x99.","description":"\u003cp\u003e\u003cstrong\u003eSupertech TEVI-1016 - Supertech Performance Valves - Toyota Supra 2JZ Exhaust Racing valve 30x5.97x99.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSupertech valves are the best on the market, made from one piece of forged stainless steel for the ultimate in strength and durability. Supertech valves go through a special heat treatment process that obtains the right amount of harness for each engine to ensure the ultimate valve for your performance motor. Supertech offers their valves in either chrome coating, used in high performance valves, or hardened black nitrided which is most popular in European and Japanese motors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSupertech High Performance Race Engine Valves features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe microhardness is higher than the stainless steel base material, keeping good ductility beneath the hard nitrided layer (microhardness is 800HV minimum)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eSurface finish is smoother than with chromed stems, having less friction between stem and guide.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eValve seat surface is harder with the nitrided layer, lasting longer with lead free fuels, alcohols, nitro or other \"explosive\" mixes. Matches any kind of seats (nodular iron seats, steel powder metal seats, hard aluminum-copper seats or beryllium copper seats).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eHigher rpm's engines take full advantage of all previous features. The higher the engine speed the bigger the power loss due to internal engine friction! The black nitride layer reduces this power loss due to less valve-guide friction.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe nitrided layer is adhered to the base material at a microscopic level, so does not\"flake\" or brake when the valves bend due to impacts with the pistons.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe Black Nitride applies to the whole valve while the chrome coating is only applied to the stem.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":35089358225562,"sku":"ST-TEVI-1016","price":32.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/hevi-1033d_3_149.jpg?v=1594266662"},{"product_id":"supertech-toyota-scion-tc-2az-fe-2az-inconel-exhaust-valve-29-50mm","title":"Supertech Toyota Scion tC 2AZ-FE 2AZ Inconel Exhaust Valve 29.50mm","description":"\u003cp\u003e\u003cstrong\u003eSupertech Toyota Scion tC 2AZ-FE 2AZ Inconel Exhaust Valve 29.50mm\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eInconel Exhaust valves are recommended in engines that reach very high temperatures, typically in turbocharged applications running high amount of boost.\u003c\/p\u003e\u003cp\u003eThe Inconel valves are made from a Nimonic 751 alloy which has better resistance to heat then the stainless steel.  The Inconel valves are only used on the exhaust side, it is the only side that it is needed to use a higher temperature alloy.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003ctable border=\"1\" align=\"left\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCAR MAKE\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eScion\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCAR MODEL\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003etC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eVALVE HEAD SIZE\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSTD\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eVALVE HEAD DIAMETER\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e29.50mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eENGINE SPECIFICATIONS\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2AZ-FE\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSTEM DIAMETER\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5.46mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eVALVE LENGTH\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e101.20mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMATERIAL\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eInconel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":35089358618778,"sku":"ST-TEVI-1035","price":40.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/hevi-1033d_3_150.jpg?v=1594266664"},{"product_id":"supertech-tevi-1037-supertech-performance-valves-toyota-scion-tc-exhaust-valve-30-50-1-0-x-5-46","title":"Supertech TEVI-1037 - Supertech Performance Valves - Toyota Scion tc Exhaust Valve 30.50 (+1.0) x 5.46","description":"\u003cp\u003e\u003cstrong\u003eSupertech TEVI-1037 - Supertech Performance Valves - Toyota Scion tc Exhaust Valve 30.50 (+1.0) x 5.46\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSupertech valves are the best on the market, made from one piece of forged stainless steel for the ultimate in strength and durability. Supertech valves go through a special heat treatment process that obtains the right amount of harness for each engine to ensure the ultimate valve for your performance motor. Supertech offers their valves in either chrome coating, used in high performance valves, or hardened black nitrided which is most popular in European and Japanese motors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSupertech High Performance Race Engine Valves features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe microhardness is higher than the stainless steel base material, keeping good ductility beneath the hard nitrided layer (microhardness is 800HV minimum)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eSurface finish is smoother than with chromed stems, having less friction between stem and guide.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eValve seat surface is harder with the nitrided layer, lasting longer with lead free fuels, alcohols, nitro or other \"explosive\" mixes. Matches any kind of seats (nodular iron seats, steel powder metal seats, hard aluminum-copper seats or beryllium copper seats).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eHigher rpm's engines take full advantage of all previous features. The higher the engine speed the bigger the power loss due to internal engine friction! The black nitride layer reduces this power loss due to less valve-guide friction.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe nitrided layer is adhered to the base material at a microscopic level, so does not\"flake\" or brake when the valves bend due to impacts with the pistons.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe Black Nitride applies to the whole valve while the chrome coating is only applied to the stem.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":35089361207450,"sku":"ST-TEVI-1037","price":32.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/hevi-1033d_3_151.jpg?v=1594266673"},{"product_id":"supertech-tevi-1048-supertech-performance-valves-toyota-tacoma-2rz-3rz-exhaust-racing-valve-32-5","title":"Supertech TEVI-1048 - Supertech Performance Valves - Toyota Tacoma 2RZ\/ 3RZ Exhaust Racing valve 32.5(","description":"\u003cp\u003e\u003cstrong\u003eSupertech TEVI-1048 - Supertech Performance Valves - Toyota Tacoma 2RZ\/ 3RZ Exhaust Racing valve 32.5(\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSupertech valves are the best on the market, made from one piece of forged stainless steel for the ultimate in strength and durability. Supertech valves go through a special heat treatment process that obtains the right amount of harness for each engine to ensure the ultimate valve for your performance motor. Supertech offers their valves in either chrome coating, used in high performance valves, or hardened black nitrided which is most popular in European and Japanese motors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSupertech High Performance Race Engine Valves features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe microhardness is higher than the stainless steel base material, keeping good ductility beneath the hard nitrided layer (microhardness is 800HV minimum)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eSurface finish is smoother than with chromed stems, having less friction between stem and guide.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eValve seat surface is harder with the nitrided layer, lasting longer with lead free fuels, alcohols, nitro or other \"explosive\" mixes. Matches any kind of seats (nodular iron seats, steel powder metal seats, hard aluminum-copper seats or beryllium copper seats).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eHigher rpm's engines take full advantage of all previous features. The higher the engine speed the bigger the power loss due to internal engine friction! The black nitride layer reduces this power loss due to less valve-guide friction.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe nitrided layer is adhered to the base material at a microscopic level, so does not\"flake\" or brake when the valves bend due to impacts with the pistons.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe Black Nitride applies to the whole valve while the chrome coating is only applied to the stem.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":35089362321562,"sku":"ST-TEVI-1048","price":36.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/hevi-1033d_3_152.jpg?v=1594266675"},{"product_id":"supertech-tevi-1093d-supertech-performance-valves-toyota-4-7lts-v8-32v-2uz-fe-exhaust-30-5-1-5-mm","title":"Supertech TEVI-1093D - Supertech Performance Valves - Toyota 4.7lts V8 32v 2UZ-FE Exhaust 30.5(+1.5)mm","description":"\u003cp\u003e\u003cstrong\u003eSupertech TEVI-1093D - Supertech Performance Valves - Toyota 4.7lts V8 32v 2UZ-FE Exhaust 30.5(+1.5)mm\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSupertech valves are the best on the market, made from one piece of forged stainless steel for the ultimate in strength and durability. Supertech valves go through a special heat treatment process that obtains the right amount of harness for each engine to ensure the ultimate valve for your performance motor. Supertech offers their valves in either chrome coating, used in high performance valves, or hardened black nitrided which is most popular in European and Japanese motors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSupertech High Performance Race Engine Valves features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe microhardness is higher than the stainless steel base material, keeping good ductility beneath the hard nitrided layer (microhardness is 800HV minimum)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eSurface finish is smoother than with chromed stems, having less friction between stem and guide.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eValve seat surface is harder with the nitrided layer, lasting longer with lead free fuels, alcohols, nitro or other \"explosive\" mixes. Matches any kind of seats (nodular iron seats, steel powder metal seats, hard aluminum-copper seats or beryllium copper seats).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eHigher rpm's engines take full advantage of all previous features. The higher the engine speed the bigger the power loss due to internal engine friction! The black nitride layer reduces this power loss due to less valve-guide friction.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe nitrided layer is adhered to the base material at a microscopic level, so does not\"flake\" or brake when the valves bend due to impacts with the pistons.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe Black Nitride applies to the whole valve while the chrome coating is only applied to the stem.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":35089366712474,"sku":"ST-TEVI-1093D","price":33.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/hevi-1033d_3_153.jpg?v=1594266687"},{"product_id":"supertech-tevn-1011-supertech-performance-valves-toyota-mr2-3sgte-exhaust-valve-29-50x5-97x99-50mm","title":"Supertech TEVN-1011 - Supertech Performance Valves - Toyota MR2\/3SGTE Exhaust Valve 29.50x5.97x99.50mm\/","description":"\u003cp\u003e\u003cstrong\u003eSupertech TEVN-1011 - Supertech Performance Valves - Toyota MR2\/3SGTE Exhaust Valve 29.50x5.97x99.50mm\/\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSupertech valves are the best on the market, made from one piece of forged stainless steel for the ultimate in strength and durability. Supertech valves go through a special heat treatment process that obtains the right amount of harness for each engine to ensure the ultimate valve for your performance motor. Supertech offers their valves in either chrome coating, used in high performance valves, or hardened black nitrided which is most popular in European and Japanese motors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSupertech High Performance Race Engine Valves features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe microhardness is higher than the stainless steel base material, keeping good ductility beneath the hard nitrided layer (microhardness is 800HV minimum)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eSurface finish is smoother than with chromed stems, having less friction between stem and guide.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eValve seat surface is harder with the nitrided layer, lasting longer with lead free fuels, alcohols, nitro or other \"explosive\" mixes. Matches any kind of seats (nodular iron seats, steel powder metal seats, hard aluminum-copper seats or beryllium copper seats).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eHigher rpm's engines take full advantage of all previous features. The higher the engine speed the bigger the power loss due to internal engine friction! The black nitride layer reduces this power loss due to less valve-guide friction.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe nitrided layer is adhered to the base material at a microscopic level, so does not\"flake\" or brake when the valves bend due to impacts with the pistons.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe Black Nitride applies to the whole valve while the chrome coating is only applied to the stem.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":35089370316954,"sku":"ST-TEVN-1011","price":21.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/hevi-1033d_3_154.jpg?v=1594266689"},{"product_id":"supertech-tevn-1016-supertech-performance-valves-toyota-supra-2jz-exhaust-racing-valve-30x5-97x99","title":"Supertech TEVN-1016 - Supertech Performance Valves - Toyota Supra 2JZ Exhaust Racing valve 30x5.97x99.","description":"\u003cp\u003e\u003cstrong\u003eSupertech TEVN-1016 - Supertech Performance Valves - Toyota Supra 2JZ Exhaust Racing valve 30x5.97x99.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSupertech valves are the best on the market, made from one piece of forged stainless steel for the ultimate in strength and durability. Supertech valves go through a special heat treatment process that obtains the right amount of harness for each engine to ensure the ultimate valve for your performance motor. Supertech offers their valves in either chrome coating, used in high performance valves, or hardened black nitrided which is most popular in European and Japanese motors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSupertech High Performance Race Engine Valves features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe microhardness is higher than the stainless steel base material, keeping good ductility beneath the hard nitrided layer (microhardness is 800HV minimum)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eSurface finish is smoother than with chromed stems, having less friction between stem and guide.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eValve seat surface is harder with the nitrided layer, lasting longer with lead free fuels, alcohols, nitro or other \"explosive\" mixes. Matches any kind of seats (nodular iron seats, steel powder metal seats, hard aluminum-copper seats or beryllium copper seats).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eHigher rpm's engines take full advantage of all previous features. The higher the engine speed the bigger the power loss due to internal engine friction! The black nitride layer reduces this power loss due to less valve-guide friction.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe nitrided layer is adhered to the base material at a microscopic level, so does not\"flake\" or brake when the valves bend due to impacts with the pistons.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe Black Nitride applies to the whole valve while the chrome coating is only applied to the stem.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":35089379098778,"sku":"ST-TEVN-1016","price":21.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/hevi-1033d_3_155.jpg?v=1594266691"},{"product_id":"supertech-tevn-1018-supertech-performance-valves-toyota-4age-20v-exhaust-racing-valve-27-00x4-97x1","title":"Supertech TEVN-1018 - Supertech Performance Valves - Toyota 4AGE 20v Exhaust Racing valve 27.00x4.97x1","description":"\u003cp\u003e\u003cstrong\u003eSupertech TEVN-1018 - Supertech Performance Valves - Toyota 4AGE 20v Exhaust Racing valve 27.00x4.97x1\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSupertech valves are the best on the market, made from one piece of forged stainless steel for the ultimate in strength and durability. Supertech valves go through a special heat treatment process that obtains the right amount of harness for each engine to ensure the ultimate valve for your performance motor. Supertech offers their valves in either chrome coating, used in high performance valves, or hardened black nitrided which is most popular in European and Japanese motors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSupertech High Performance Race Engine Valves features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe microhardness is higher than the stainless steel base material, keeping good ductility beneath the hard nitrided layer (microhardness is 800HV minimum)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eSurface finish is smoother than with chromed stems, having less friction between stem and guide.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eValve seat surface is harder with the nitrided layer, lasting longer with lead free fuels, alcohols, nitro or other \"explosive\" mixes. Matches any kind of seats (nodular iron seats, steel powder metal seats, hard aluminum-copper seats or beryllium copper seats).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eHigher rpm's engines take full advantage of all previous features. The higher the engine speed the bigger the power loss due to internal engine friction! The black nitride layer reduces this power loss due to less valve-guide friction.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe nitrided layer is adhered to the base material at a microscopic level, so does not\"flake\" or brake when the valves bend due to impacts with the pistons.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe Black Nitride applies to the whole valve while the chrome coating is only applied to the stem.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":35089380180122,"sku":"ST-TEVN-1018","price":22.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/hevi-1033d_3_156.jpg?v=1594266697"},{"product_id":"supertech-tevn-1019-supertech-performance-valves-toyota-4age-16v-exhaust-racing-valve-25-50x5-97x9","title":"Supertech TEVN-1019 - Supertech Performance Valves - Toyota 4AGE 16v Exhaust Racing valve 25.50x5.97x9","description":"\u003cp\u003e\u003cstrong\u003eSupertech TEVN-1019 - Supertech Performance Valves - Toyota 4AGE 16v Exhaust Racing valve 25.50x5.97x9\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSupertech valves are the best on the market, made from one piece of forged stainless steel for the ultimate in strength and durability. Supertech valves go through a special heat treatment process that obtains the right amount of harness for each engine to ensure the ultimate valve for your performance motor. Supertech offers their valves in either chrome coating, used in high performance valves, or hardened black nitrided which is most popular in European and Japanese motors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSupertech High Performance Race Engine Valves features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe microhardness is higher than the stainless steel base material, keeping good ductility beneath the hard nitrided layer (microhardness is 800HV minimum)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eSurface finish is smoother than with chromed stems, having less friction between stem and guide.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eValve seat surface is harder with the nitrided layer, lasting longer with lead free fuels, alcohols, nitro or other \"explosive\" mixes. Matches any kind of seats (nodular iron seats, steel powder metal seats, hard aluminum-copper seats or beryllium copper seats).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eHigher rpm's engines take full advantage of all previous features. The higher the engine speed the bigger the power loss due to internal engine friction! The black nitride layer reduces this power loss due to less valve-guide friction.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe nitrided layer is adhered to the base material at a microscopic level, so does not\"flake\" or brake when the valves bend due to impacts with the pistons.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe Black Nitride applies to the whole valve while the chrome coating is only applied to the stem.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":35089382703258,"sku":"ST-TEVN-1019","price":21.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/hevi-1033d_3_157.jpg?v=1594266699"},{"product_id":"supertech-tevn-1020-supertech-performance-valves-toyota-4age-16v-atlantic-exhaust-racing-valve-27","title":"Supertech TEVN-1020 - Supertech Performance Valves - Toyota 4AGE 16v Atlantic Exhaust Racing valve 27.","description":"\u003cp\u003e\u003cstrong\u003eSupertech TEVN-1020 - Supertech Performance Valves - Toyota 4AGE 16v Atlantic Exhaust Racing valve 27.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSupertech valves are the best on the market, made from one piece of forged stainless steel for the ultimate in strength and durability. Supertech valves go through a special heat treatment process that obtains the right amount of harness for each engine to ensure the ultimate valve for your performance motor. Supertech offers their valves in either chrome coating, used in high performance valves, or hardened black nitrided which is most popular in European and Japanese motors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSupertech High Performance Race Engine Valves features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe microhardness is higher than the stainless steel base material, keeping good ductility beneath the hard nitrided layer (microhardness is 800HV minimum)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eSurface finish is smoother than with chromed stems, having less friction between stem and guide.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eValve seat surface is harder with the nitrided layer, lasting longer with lead free fuels, alcohols, nitro or other \"explosive\" mixes. Matches any kind of seats (nodular iron seats, steel powder metal seats, hard aluminum-copper seats or beryllium copper seats).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eHigher rpm's engines take full advantage of all previous features. The higher the engine speed the bigger the power loss due to internal engine friction! The black nitride layer reduces this power loss due to less valve-guide friction.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe nitrided layer is adhered to the base material at a microscopic level, so does not\"flake\" or brake when the valves bend due to impacts with the pistons.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe Black Nitride applies to the whole valve while the chrome coating is only applied to the stem.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":35089382899866,"sku":"ST-TEVN-1020","price":22.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/hevi-1033d_3_158.jpg?v=1594266701"},{"product_id":"supertech-tevn-1021-supertech-performance-valves-toyota-1zz-exhaust-valve-27-50-x-5-46-x-88-74-mm","title":"Supertech TEVN-1021 - Supertech Performance Valves - Toyota 1ZZ Exhaust Valve 27.50 x 5.46 x 88.74 mm\/","description":"\u003cp\u003e\u003cstrong\u003eSupertech TEVN-1021 - Supertech Performance Valves - Toyota 1ZZ Exhaust Valve 27.50 x 5.46 x 88.74 mm\/\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSupertech valves are the best on the market, made from one piece of forged stainless steel for the ultimate in strength and durability. Supertech valves go through a special heat treatment process that obtains the right amount of harness for each engine to ensure the ultimate valve for your performance motor. Supertech offers their valves in either chrome coating, used in high performance valves, or hardened black nitrided which is most popular in European and Japanese motors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSupertech High Performance Race Engine Valves features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe microhardness is higher than the stainless steel base material, keeping good ductility beneath the hard nitrided layer (microhardness is 800HV minimum)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eSurface finish is smoother than with chromed stems, having less friction between stem and guide.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eValve seat surface is harder with the nitrided layer, lasting longer with lead free fuels, alcohols, nitro or other \"explosive\" mixes. Matches any kind of seats (nodular iron seats, steel powder metal seats, hard aluminum-copper seats or beryllium copper seats).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eHigher rpm's engines take full advantage of all previous features. The higher the engine speed the bigger the power loss due to internal engine friction! The black nitride layer reduces this power loss due to less valve-guide friction.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe nitrided layer is adhered to the base material at a microscopic level, so does not\"flake\" or brake when the valves bend due to impacts with the pistons.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe Black Nitride applies to the whole valve while the chrome coating is only applied to the stem.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":35089383686298,"sku":"ST-TEVN-1021","price":22.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/hevi-1033d_3_159.jpg?v=1594266705"},{"product_id":"supertech-tevn-1031-supertech-performance-valves-toyota-2zz-exhaust-valve-29-x-5-46-x-111-65-mm-ss","title":"Supertech TEVN-1031 - Supertech Performance Valves - Toyota 2ZZ Exhaust Valve 29 x 5.46 x 111.65 mm\/ SS","description":"\u003cp\u003e\u003cstrong\u003eSupertech TEVN-1031 - Supertech Performance Valves - Toyota 2ZZ Exhaust Valve 29 x 5.46 x 111.65 mm\/ SS\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSupertech valves are the best on the market, made from one piece of forged stainless steel for the ultimate in strength and durability. Supertech valves go through a special heat treatment process that obtains the right amount of harness for each engine to ensure the ultimate valve for your performance motor. Supertech offers their valves in either chrome coating, used in high performance valves, or hardened black nitrided which is most popular in European and Japanese motors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSupertech High Performance Race Engine Valves features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe microhardness is higher than the stainless steel base material, keeping good ductility beneath the hard nitrided layer (microhardness is 800HV minimum)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eSurface finish is smoother than with chromed stems, having less friction between stem and guide.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eValve seat surface is harder with the nitrided layer, lasting longer with lead free fuels, alcohols, nitro or other \"explosive\" mixes. Matches any kind of seats (nodular iron seats, steel powder metal seats, hard aluminum-copper seats or beryllium copper seats).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eHigher rpm's engines take full advantage of all previous features. The higher the engine speed the bigger the power loss due to internal engine friction! The black nitride layer reduces this power loss due to less valve-guide friction.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe nitrided layer is adhered to the base material at a microscopic level, so does not\"flake\" or brake when the valves bend due to impacts with the pistons.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe Black Nitride applies to the whole valve while the chrome coating is only applied to the stem.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":35089385750682,"sku":"ST-TEVN-1031","price":22.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/hevi-1033d_3_160.jpg?v=1594266713"},{"product_id":"supertech-tevn-1040-supertech-performance-valves-toyota-v6-5vz-exhaust-racing-valve-27-50x5-97x94","title":"Supertech TEVN-1040 - Supertech Performance Valves - Toyota V6 5VZ Exhaust Racing valve 27.50x5.97x94.","description":"\u003cp\u003e\u003cstrong\u003eSupertech TEVN-1040 - Supertech Performance Valves - Toyota V6 5VZ Exhaust Racing valve 27.50x5.97x94.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSupertech valves are the best on the market, made from one piece of forged stainless steel for the ultimate in strength and durability. Supertech valves go through a special heat treatment process that obtains the right amount of harness for each engine to ensure the ultimate valve for your performance motor. Supertech offers their valves in either chrome coating, used in high performance valves, or hardened black nitrided which is most popular in European and Japanese motors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSupertech High Performance Race Engine Valves features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe microhardness is higher than the stainless steel base material, keeping good ductility beneath the hard nitrided layer (microhardness is 800HV minimum)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eSurface finish is smoother than with chromed stems, having less friction between stem and guide.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eValve seat surface is harder with the nitrided layer, lasting longer with lead free fuels, alcohols, nitro or other \"explosive\" mixes. Matches any kind of seats (nodular iron seats, steel powder metal seats, hard aluminum-copper seats or beryllium copper seats).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eHigher rpm's engines take full advantage of all previous features. The higher the engine speed the bigger the power loss due to internal engine friction! The black nitride layer reduces this power loss due to less valve-guide friction.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe nitrided layer is adhered to the base material at a microscopic level, so does not\"flake\" or brake when the valves bend due to impacts with the pistons.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe Black Nitride applies to the whole valve while the chrome coating is only applied to the stem.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":35089386045594,"sku":"ST-TEVN-1040","price":23.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/hevi-1033d_3_161.jpg?v=1594266715"},{"product_id":"supertech-tevn-1045-supertech-performance-valves-toyota-tacoma-2rz-3rz-exhaust-racing-valve-30-5","title":"Supertech TEVN-1045 - Supertech Performance Valves - Toyota Tacoma 2RZ\/ 3RZ Exhaust Racing valve 30.5","description":"\u003cp\u003e\u003cstrong\u003eSupertech TEVN-1045 - Supertech Performance Valves - Toyota Tacoma 2RZ\/ 3RZ Exhaust Racing valve 30.5\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSupertech valves are the best on the market, made from one piece of forged stainless steel for the ultimate in strength and durability. Supertech valves go through a special heat treatment process that obtains the right amount of harness for each engine to ensure the ultimate valve for your performance motor. Supertech offers their valves in either chrome coating, used in high performance valves, or hardened black nitrided which is most popular in European and Japanese motors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSupertech High Performance Race Engine Valves features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe microhardness is higher than the stainless steel base material, keeping good ductility beneath the hard nitrided layer (microhardness is 800HV minimum)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eSurface finish is smoother than with chromed stems, having less friction between stem and guide.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eValve seat surface is harder with the nitrided layer, lasting longer with lead free fuels, alcohols, nitro or other \"explosive\" mixes. Matches any kind of seats (nodular iron seats, steel powder metal seats, hard aluminum-copper seats or beryllium copper seats).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eHigher rpm's engines take full advantage of all previous features. The higher the engine speed the bigger the power loss due to internal engine friction! The black nitride layer reduces this power loss due to less valve-guide friction.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe nitrided layer is adhered to the base material at a microscopic level, so does not\"flake\" or brake when the valves bend due to impacts with the pistons.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe Black Nitride applies to the whole valve while the chrome coating is only applied to the stem.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":35089386864794,"sku":"ST-TEVN-1045","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/hevi-1033d_3_162.jpg?v=1594266717"},{"product_id":"supertech-tevn-1050-toyota-1gr-fe-exhaust-valve","title":"Supertech TEVN-1050 Toyota 1GR\/FE Exhaust Valve","description":"\u003cp\u003e\u003cstrong\u003eSupertech TEVN-1050 Toyota 1GR\/FE Exhaust Valve\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eToyota 1GR\/FE Exhaust Valve 29.50 (std) x 5.46 x 105.90mm \/ Blk Nitrided\/ Swirl Polish \/ Dish \/ SS \/EV16\u003c\/span\u003e\u003c\/p\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":35089387847834,"sku":"ST-TEVN-1050","price":19.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/hevi-1033d_3_163.jpg?v=1594266721"},{"product_id":"supertech-tevn-1063-supertech-performance-valves-toyota-2tc-3tc-exhaust-valve-39x8x110mm-ss-blk","title":"Supertech TEVN-1063 - Supertech Performance Valves - Toyota 2TC\/ 3TC Exhaust valve 39x8x110mm\/ SS\/ Blk.","description":"\u003cp\u003e\u003cstrong\u003eSupertech TEVN-1063 - Supertech Performance Valves - Toyota 2TC\/ 3TC Exhaust valve 39x8x110mm\/ SS\/ Blk.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSupertech valves are the best on the market, made from one piece of forged stainless steel for the ultimate in strength and durability. Supertech valves go through a special heat treatment process that obtains the right amount of harness for each engine to ensure the ultimate valve for your performance motor. Supertech offers their valves in either chrome coating, used in high performance valves, or hardened black nitrided which is most popular in European and Japanese motors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSupertech High Performance Race Engine Valves features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe microhardness is higher than the stainless steel base material, keeping good ductility beneath the hard nitrided layer (microhardness is 800HV minimum)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eSurface finish is smoother than with chromed stems, having less friction between stem and guide.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eValve seat surface is harder with the nitrided layer, lasting longer with lead free fuels, alcohols, nitro or other \"explosive\" mixes. Matches any kind of seats (nodular iron seats, steel powder metal seats, hard aluminum-copper seats or beryllium copper seats).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eHigher rpm's engines take full advantage of all previous features. The higher the engine speed the bigger the power loss due to internal engine friction! The black nitride layer reduces this power loss due to less valve-guide friction.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe nitrided layer is adhered to the base material at a microscopic level, so does not\"flake\" or brake when the valves bend due to impacts with the pistons.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe Black Nitride applies to the whole valve while the chrome coating is only applied to the stem.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":35089391681690,"sku":"ST-TEVN-1063","price":25.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/hevi-1033d_3_164.jpg?v=1594266723"},{"product_id":"supertech-tevn-1083d-supertech-performance-valves-toyota-v8-uz-fe-series-exhaust-33-5-1-5-mm-x-6-97","title":"Supertech TEVN-1083D - Supertech Performance Valves - Toyota V8 UZ-FE series Exhaust 33.5(+1.5)mm x 6.97","description":"\u003cp\u003e\u003cstrong\u003eSupertech TEVN-1083D - Supertech Performance Valves - Toyota V8 UZ-FE series Exhaust 33.5(+1.5)mm x 6.97\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSupertech valves are the best on the market, made from one piece of forged stainless steel for the ultimate in strength and durability. Supertech valves go through a special heat treatment process that obtains the right amount of harness for each engine to ensure the ultimate valve for your performance motor. Supertech offers their valves in either chrome coating, used in high performance valves, or hardened black nitrided which is most popular in European and Japanese motors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSupertech High Performance Race Engine Valves features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe microhardness is higher than the stainless steel base material, keeping good ductility beneath the hard nitrided layer (microhardness is 800HV minimum)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eSurface finish is smoother than with chromed stems, having less friction between stem and guide.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eValve seat surface is harder with the nitrided layer, lasting longer with lead free fuels, alcohols, nitro or other \"explosive\" mixes. Matches any kind of seats (nodular iron seats, steel powder metal seats, hard aluminum-copper seats or beryllium copper seats).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eHigher rpm's engines take full advantage of all previous features. The higher the engine speed the bigger the power loss due to internal engine friction! The black nitride layer reduces this power loss due to less valve-guide friction.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe nitrided layer is adhered to the base material at a microscopic level, so does not\"flake\" or brake when the valves bend due to impacts with the pistons.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe Black Nitride applies to the whole valve while the chrome coating is only applied to the stem.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":35089392500890,"sku":"ST-TEVN-1083D","price":25.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/hevi-1033d_3_165.jpg?v=1594266726"},{"product_id":"supertech-tevn-1083f-supertech-performance-valves-toyota-v8-uz-fe-series-exhaust-33-5-1-5-mm-x-6-97","title":"Supertech TEVN-1083F - Supertech Performance Valves - Toyota V8 UZ-FE series Exhaust 33.5(+1.5)mm x 6.97","description":"\u003cp\u003e\u003cstrong\u003eSupertech TEVN-1083F - Supertech Performance Valves - Toyota V8 UZ-FE series Exhaust 33.5(+1.5)mm x 6.97\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSupertech valves are the best on the market, made from one piece of forged stainless steel for the ultimate in strength and durability. Supertech valves go through a special heat treatment process that obtains the right amount of harness for each engine to ensure the ultimate valve for your performance motor. Supertech offers their valves in either chrome coating, used in high performance valves, or hardened black nitrided which is most popular in European and Japanese motors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSupertech High Performance Race Engine Valves features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe microhardness is higher than the stainless steel base material, keeping good ductility beneath the hard nitrided layer (microhardness is 800HV minimum)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eSurface finish is smoother than with chromed stems, having less friction between stem and guide.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eValve seat surface is harder with the nitrided layer, lasting longer with lead free fuels, alcohols, nitro or other \"explosive\" mixes. Matches any kind of seats (nodular iron seats, steel powder metal seats, hard aluminum-copper seats or beryllium copper seats).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eHigher rpm's engines take full advantage of all previous features. The higher the engine speed the bigger the power loss due to internal engine friction! The black nitride layer reduces this power loss due to less valve-guide friction.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe nitrided layer is adhered to the base material at a microscopic level, so does not\"flake\" or brake when the valves bend due to impacts with the pistons.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe Black Nitride applies to the whole valve while the chrome coating is only applied to the stem.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":35089393385626,"sku":"ST-TEVN-1083F","price":25.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/hevi-1033d_3_166.jpg?v=1594266729"},{"product_id":"supertech-tivn-1007-supertech-performance-valves-toyota-supra-7mgte-intake-racing-valve-32-50x5-98","title":"Supertech TIVN-1007 - Supertech Performance Valves - Toyota Supra 7MGTE Intake Racing valve 32.50x5.98","description":"\u003cp\u003e\u003cstrong\u003eSupertech TIVN-1007 - Supertech Performance Valves - Toyota Supra 7MGTE Intake Racing valve 32.50x5.98\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSupertech valves are the best on the market, made from one piece of forged stainless steel for the ultimate in strength and durability. Supertech valves go through a special heat treatment process that obtains the right amount of harness for each engine to ensure the ultimate valve for your performance motor. Supertech offers their valves in either chrome coating, used in high performance valves, or hardened black nitrided which is most popular in European and Japanese motors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSupertech High Performance Race Engine Valves features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe microhardness is higher than the stainless steel base material, keeping good ductility beneath the hard nitrided layer (microhardness is 800HV minimum)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eSurface finish is smoother than with chromed stems, having less friction between stem and guide.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eValve seat surface is harder with the nitrided layer, lasting longer with lead free fuels, alcohols, nitro or other \"explosive\" mixes. Matches any kind of seats (nodular iron seats, steel powder metal seats, hard aluminum-copper seats or beryllium copper seats).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eHigher rpm's engines take full advantage of all previous features. The higher the engine speed the bigger the power loss due to internal engine friction! The black nitride layer reduces this power loss due to less valve-guide friction.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe nitrided layer is adhered to the base material at a microscopic level, so does not\"flake\" or brake when the valves bend due to impacts with the pistons.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe Black Nitride applies to the whole valve while the chrome coating is only applied to the stem.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":35089394008218,"sku":"ST-TIVN-1007","price":27.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/hevi-1033d_3_167.jpg?v=1594266731"},{"product_id":"supertech-tivn-1011-supertech-performance-valves-toyota-mr2-3sgte-intake-valve-34-00x5-98x100-50mm","title":"Supertech TIVN-1011 - Supertech Performance Valves - Toyota MR2\/3SGTE Intake Valve 34.00x5.98x100.50mm\/","description":"\u003cp\u003e\u003cstrong\u003eSupertech TIVN-1011 - Supertech Performance Valves - Toyota MR2\/3SGTE Intake Valve 34.00x5.98x100.50mm\/\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSupertech valves are the best on the market, made from one piece of forged stainless steel for the ultimate in strength and durability. Supertech valves go through a special heat treatment process that obtains the right amount of harness for each engine to ensure the ultimate valve for your performance motor. Supertech offers their valves in either chrome coating, used in high performance valves, or hardened black nitrided which is most popular in European and Japanese motors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSupertech High Performance Race Engine Valves features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe microhardness is higher than the stainless steel base material, keeping good ductility beneath the hard nitrided layer (microhardness is 800HV minimum)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eSurface finish is smoother than with chromed stems, having less friction between stem and guide.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eValve seat surface is harder with the nitrided layer, lasting longer with lead free fuels, alcohols, nitro or other \"explosive\" mixes. Matches any kind of seats (nodular iron seats, steel powder metal seats, hard aluminum-copper seats or beryllium copper seats).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eHigher rpm's engines take full advantage of all previous features. The higher the engine speed the bigger the power loss due to internal engine friction! The black nitride layer reduces this power loss due to less valve-guide friction.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe nitrided layer is adhered to the base material at a microscopic level, so does not\"flake\" or brake when the valves bend due to impacts with the pistons.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe Black Nitride applies to the whole valve while the chrome coating is only applied to the stem.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":35089394270362,"sku":"ST-TIVN-1011","price":21.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/hevi-1033d_3_168.jpg?v=1594266737"},{"product_id":"supertech-tivn-1012-supertech-performance-valves-toyota-mr2-3sgte-intake-valve-34-50x5-98x100-50mm","title":"Supertech TIVN-1012 - Supertech Performance Valves - Toyota MR2\/3SGTE Intake Valve 34.50x5.98x100.50mm\/","description":"\u003cp\u003e\u003cstrong\u003eSupertech TIVN-1012 - Supertech Performance Valves - Toyota MR2\/3SGTE Intake Valve 34.50x5.98x100.50mm\/\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSupertech valves are the best on the market, made from one piece of forged stainless steel for the ultimate in strength and durability. Supertech valves go through a special heat treatment process that obtains the right amount of harness for each engine to ensure the ultimate valve for your performance motor. Supertech offers their valves in either chrome coating, used in high performance valves, or hardened black nitrided which is most popular in European and Japanese motors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSupertech High Performance Race Engine Valves features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe microhardness is higher than the stainless steel base material, keeping good ductility beneath the hard nitrided layer (microhardness is 800HV minimum)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eSurface finish is smoother than with chromed stems, having less friction between stem and guide.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eValve seat surface is harder with the nitrided layer, lasting longer with lead free fuels, alcohols, nitro or other \"explosive\" mixes. Matches any kind of seats (nodular iron seats, steel powder metal seats, hard aluminum-copper seats or beryllium copper seats).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eHigher rpm's engines take full advantage of all previous features. The higher the engine speed the bigger the power loss due to internal engine friction! The black nitride layer reduces this power loss due to less valve-guide friction.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe nitrided layer is adhered to the base material at a microscopic level, so does not\"flake\" or brake when the valves bend due to impacts with the pistons.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe Black Nitride applies to the whole valve while the chrome coating is only applied to the stem.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":35089395777690,"sku":"ST-TIVN-1012","price":22.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/hevi-1033d_3_169.jpg?v=1594266739"},{"product_id":"supertech-tivn-1014-supertech-performance-valves-toyota-supra-2jz-intake-racing-valve-33-50x5-98x9","title":"Supertech TIVN-1014 - Supertech Performance Valves - Toyota Supra 2JZ Intake Racing valve 33.50x5.98x9","description":"\u003cp\u003e\u003cstrong\u003eSupertech TIVN-1014 - Supertech Performance Valves - Toyota Supra 2JZ Intake Racing valve 33.50x5.98x9\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSupertech valves are the best on the market, made from one piece of forged stainless steel for the ultimate in strength and durability. Supertech valves go through a special heat treatment process that obtains the right amount of harness for each engine to ensure the ultimate valve for your performance motor. Supertech offers their valves in either chrome coating, used in high performance valves, or hardened black nitrided which is most popular in European and Japanese motors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSupertech High Performance Race Engine Valves features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe microhardness is higher than the stainless steel base material, keeping good ductility beneath the hard nitrided layer (microhardness is 800HV minimum)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eSurface finish is smoother than with chromed stems, having less friction between stem and guide.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eValve seat surface is harder with the nitrided layer, lasting longer with lead free fuels, alcohols, nitro or other \"explosive\" mixes. Matches any kind of seats (nodular iron seats, steel powder metal seats, hard aluminum-copper seats or beryllium copper seats).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eHigher rpm's engines take full advantage of all previous features. The higher the engine speed the bigger the power loss due to internal engine friction! The black nitride layer reduces this power loss due to less valve-guide friction.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe nitrided layer is adhered to the base material at a microscopic level, so does not\"flake\" or brake when the valves bend due to impacts with the pistons.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe Black Nitride applies to the whole valve while the chrome coating is only applied to the stem.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":35089397547162,"sku":"ST-TIVN-1014","price":22.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/hevi-1033d_3_170.jpg?v=1594266753"},{"product_id":"supertech-tivn-1016-supertech-performance-valves-toyota-supra-2jz-intake-racing-valve-34-50x5-98x9","title":"Supertech TIVN-1016 - Supertech Performance Valves - Toyota Supra 2JZ Intake Racing valve 34.50x5.98x9","description":"\u003cp\u003e\u003cstrong\u003eSupertech TIVN-1016 - Supertech Performance Valves - Toyota Supra 2JZ Intake Racing valve 34.50x5.98x9\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSupertech valves are the best on the market, made from one piece of forged stainless steel for the ultimate in strength and durability. Supertech valves go through a special heat treatment process that obtains the right amount of harness for each engine to ensure the ultimate valve for your performance motor. Supertech offers their valves in either chrome coating, used in high performance valves, or hardened black nitrided which is most popular in European and Japanese motors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSupertech High Performance Race Engine Valves features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe microhardness is higher than the stainless steel base material, keeping good ductility beneath the hard nitrided layer (microhardness is 800HV minimum)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eSurface finish is smoother than with chromed stems, having less friction between stem and guide.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eValve seat surface is harder with the nitrided layer, lasting longer with lead free fuels, alcohols, nitro or other \"explosive\" mixes. Matches any kind of seats (nodular iron seats, steel powder metal seats, hard aluminum-copper seats or beryllium copper seats).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eHigher rpm's engines take full advantage of all previous features. The higher the engine speed the bigger the power loss due to internal engine friction! The black nitride layer reduces this power loss due to less valve-guide friction.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe nitrided layer is adhered to the base material at a microscopic level, so does not\"flake\" or brake when the valves bend due to impacts with the pistons.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe Black Nitride applies to the whole valve while the chrome coating is only applied to the stem.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":35089397776538,"sku":"ST-TIVN-1016","price":22.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/hevi-1033d_3_171.jpg?v=1594266755"},{"product_id":"supertech-mr2-4age-20v-26-5mm-std-u-c-b-c-intake-valve","title":"Supertech MR2 4AGE 20V 26.5mm STD U\/C B\/C Intake Valve","description":"\u003cp\u003e\u003cstrong\u003eSupertech MR2 4AGE 20V 26.5mm STD U\/C B\/C Intake Valve\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eWe manufacture our racing valves using only the highest quality materials available. We have spent countless hours studying these different materials as well as you applications to create just the right valve. Because of thermal fatigue the proper choice of material will greatly determine the valve performance and reliability. Supertech relentlessly test new materials to provide valves with unsurpassed fatigue resistance. \u003cbr\u003eThese valves are black nitride coated, which is a hardening treatment that has been steadily growing in popularity over the last several years. These black Nitride coated valves feature harder surfaces and smoother finishes, providing less friction and subsequently longer life.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003ctable border=\"1\" align=\"left\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCAR MAKE\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eToyota\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCAR MODEL\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMR2\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eVALVE HEAD SIZE\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSTD\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eVALVE HEAD DIAMETER\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e26.5mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eENGINE SPECIFICATIONS\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4AGE 20V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSTEM DIAMETER\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4.95mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eVALVE LENGTH\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e98.6mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMATERIAL\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBlack Nitrided SS\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":35089398005914,"sku":"ST-TIVN-1017","price":22.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/hevi-1033d_3_172.jpg?v=1594266757"},{"product_id":"supertech-tivn-1018-supertech-performance-valves-toyota-4age-20v-intake-racing-valve-27-50x4-95x98","title":"Supertech TIVN-1018 - Supertech Performance Valves - Toyota 4AGE 20v Intake Racing valve 27.50x4.95x98.","description":"\u003cp\u003e\u003cstrong\u003eSupertech TIVN-1018 - Supertech Performance Valves - Toyota 4AGE 20v Intake Racing valve 27.50x4.95x98.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 12px;\"\u003eSupertech valves are the best on the market, made from one piece of forged stainless steel for the ultimate in strength and durability. Supertech valves go through a special heat treatment process that obtains the right amount of harness for each engine to ensure the ultimate valve for your performance motor. Supertech offers their valves in either chrome coating, used in high performance valves, or hardened black nitrided which is most popular in European and Japanese motors.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSupertech High Performance Race Engine Valves features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe microhardness is higher than the stainless steel base material, keeping good ductility beneath the hard nitrided layer (microhardness is 800HV minimum)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eSurface finish is smoother than with chromed stems, having less friction between stem and guide.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eValve seat surface is harder with the nitrided layer, lasting longer with lead free fuels, alcohols, nitro or other \"explosive\" mixes. Matches any kind of seats (nodular iron seats, steel powder metal seats, hard aluminum-copper seats or beryllium copper seats).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eHigher rpm's engines take full advantage of all previous features. The higher the engine speed the bigger the power loss due to internal engine friction! The black nitride layer reduces this power loss due to less valve-guide friction.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe nitrided layer is adhered to the base material at a microscopic level, so does not\"flake\" or brake when the valves bend due to impacts with the pistons.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe Black Nitride applies to the whole valve while the chrome coating is only applied to the stem.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":35089399382170,"sku":"ST-TIVN-1018","price":22.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/hevi-1033d_3_173.jpg?v=1594266761"},{"product_id":"supertech-tivn-1019-supertech-performance-valves-toyota-4age16v-intake-racing-valve-30-50x5-98x99-6","title":"Supertech TIVN-1019 - Supertech Performance Valves - Toyota 4AGE16v Intake Racing valve 30.50x5.98x99.6","description":"\u003cp\u003e\u003cstrong\u003eSupertech TIVN-1019 - Supertech Performance Valves - Toyota 4AGE16v Intake Racing valve 30.50x5.98x99.6\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSupertech valves are the best on the market, made from one piece of forged stainless steel for the ultimate in strength and durability. Supertech valves go through a special heat treatment process that obtains the right amount of harness for each engine to ensure the ultimate valve for your performance motor. Supertech offers their valves in either chrome coating, used in high performance valves, or hardened black nitrided which is most popular in European and Japanese motors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSupertech High Performance Race Engine Valves features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe microhardness is higher than the stainless steel base material, keeping good ductility beneath the hard nitrided layer (microhardness is 800HV minimum)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eSurface finish is smoother than with chromed stems, having less friction between stem and guide.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eValve seat surface is harder with the nitrided layer, lasting longer with lead free fuels, alcohols, nitro or other \"explosive\" mixes. Matches any kind of seats (nodular iron seats, steel powder metal seats, hard aluminum-copper seats or beryllium copper seats).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eHigher rpm's engines take full advantage of all previous features. The higher the engine speed the bigger the power loss due to internal engine friction! The black nitride layer reduces this power loss due to less valve-guide friction.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe nitrided layer is adhered to the base material at a microscopic level, so does not\"flake\" or brake when the valves bend due to impacts with the pistons.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe Black Nitride applies to the whole valve while the chrome coating is only applied to the stem.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":35089400168602,"sku":"ST-TIVN-1019","price":21.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/hevi-1033d_3_174.jpg?v=1594266763"},{"product_id":"supertech-tivn-1020-supertech-performance-valves-toyota-4age16v-atlantic-intake-racing-valve-32x5-9","title":"Supertech TIVN-1020 - Supertech Performance Valves - Toyota 4AGE16v Atlantic Intake Racing valve 32x5.9","description":"\u003cp\u003e\u003cstrong\u003eSupertech TIVN-1020 - Supertech Performance Valves - Toyota 4AGE16v Atlantic Intake Racing valve 32x5.9\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSupertech valves are the best on the market, made from one piece of forged stainless steel for the ultimate in strength and durability. Supertech valves go through a special heat treatment process that obtains the right amount of harness for each engine to ensure the ultimate valve for your performance motor. Supertech offers their valves in either chrome coating, used in high performance valves, or hardened black nitrided which is most popular in European and Japanese motors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSupertech High Performance Race Engine Valves features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe microhardness is higher than the stainless steel base material, keeping good ductility beneath the hard nitrided layer (microhardness is 800HV minimum)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eSurface finish is smoother than with chromed stems, having less friction between stem and guide.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eValve seat surface is harder with the nitrided layer, lasting longer with lead free fuels, alcohols, nitro or other \"explosive\" mixes. Matches any kind of seats (nodular iron seats, steel powder metal seats, hard aluminum-copper seats or beryllium copper seats).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eHigher rpm's engines take full advantage of all previous features. The higher the engine speed the bigger the power loss due to internal engine friction! The black nitride layer reduces this power loss due to less valve-guide friction.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe nitrided layer is adhered to the base material at a microscopic level, so does not\"flake\" or brake when the valves bend due to impacts with the pistons.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe Black Nitride applies to the whole valve while the chrome coating is only applied to the stem.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":35089401282714,"sku":"ST-TIVN-1020","price":22.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/hevi-1033d_3_175.jpg?v=1594266769"},{"product_id":"supertech-tivn-1021-supertech-performance-valves-toyota-1zz-intake-valve-32-x-5-48-x-88-67-mm-ss","title":"Supertech TIVN-1021 - Supertech Performance Valves - Toyota 1ZZ Intake Valve 32 x 5.48 x 88.67 mm\/ SS.\/","description":"\u003cp\u003e\u003cstrong\u003eSupertech TIVN-1021 - Supertech Performance Valves - Toyota 1ZZ Intake Valve 32 x 5.48 x 88.67 mm\/ SS.\/\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSupertech valves are the best on the market, made from one piece of forged stainless steel for the ultimate in strength and durability. Supertech valves go through a special heat treatment process that obtains the right amount of harness for each engine to ensure the ultimate valve for your performance motor. Supertech offers their valves in either chrome coating, used in high performance valves, or hardened black nitrided which is most popular in European and Japanese motors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSupertech High Performance Race Engine Valves features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe microhardness is higher than the stainless steel base material, keeping good ductility beneath the hard nitrided layer (microhardness is 800HV minimum)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eSurface finish is smoother than with chromed stems, having less friction between stem and guide.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eValve seat surface is harder with the nitrided layer, lasting longer with lead free fuels, alcohols, nitro or other \"explosive\" mixes. Matches any kind of seats (nodular iron seats, steel powder metal seats, hard aluminum-copper seats or beryllium copper seats).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eHigher rpm's engines take full advantage of all previous features. The higher the engine speed the bigger the power loss due to internal engine friction! The black nitride layer reduces this power loss due to less valve-guide friction.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe nitrided layer is adhered to the base material at a microscopic level, so does not\"flake\" or brake when the valves bend due to impacts with the pistons.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe Black Nitride applies to the whole valve while the chrome coating is only applied to the stem.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":35089401741466,"sku":"ST-TIVN-1021","price":22.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/hevi-1033d_3_176.jpg?v=1594266771"},{"product_id":"supertech-tivn-1031-supertech-performance-valves-toyota-2zz-intake-valve-34-x-5-48-x-111-45-mm-ss","title":"Supertech TIVN-1031 - Supertech Performance Valves - Toyota 2ZZ Intake Valve 34 x 5.48 x 111.45 mm\/ SS.","description":"\u003cp\u003e\u003cstrong\u003eSupertech TIVN-1031 - Supertech Performance Valves - Toyota 2ZZ Intake Valve 34 x 5.48 x 111.45 mm\/ SS.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSupertech valves are the best on the market, made from one piece of forged stainless steel for the ultimate in strength and durability. Supertech valves go through a special heat treatment process that obtains the right amount of harness for each engine to ensure the ultimate valve for your performance motor. Supertech offers their valves in either chrome coating, used in high performance valves, or hardened black nitrided which is most popular in European and Japanese motors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSupertech High Performance Race Engine Valves features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe microhardness is higher than the stainless steel base material, keeping good ductility beneath the hard nitrided layer (microhardness is 800HV minimum)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eSurface finish is smoother than with chromed stems, having less friction between stem and guide.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eValve seat surface is harder with the nitrided layer, lasting longer with lead free fuels, alcohols, nitro or other \"explosive\" mixes. Matches any kind of seats (nodular iron seats, steel powder metal seats, hard aluminum-copper seats or beryllium copper seats).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eHigher rpm's engines take full advantage of all previous features. The higher the engine speed the bigger the power loss due to internal engine friction! The black nitride layer reduces this power loss due to less valve-guide friction.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe nitrided layer is adhered to the base material at a microscopic level, so does not\"flake\" or brake when the valves bend due to impacts with the pistons.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe Black Nitride applies to the whole valve while the chrome coating is only applied to the stem.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":35089402822810,"sku":"ST-TIVN-1031","price":23.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/hevi-1033d_3_177.jpg?v=1594266773"},{"product_id":"supertech-tivn-1035-supertech-performance-valves-toyota-scion-tc-intake-valve-34-x-5-48-x-101-85-mm","title":"Supertech TIVN-1035 - Supertech Performance Valves - Toyota Scion tc Intake Valve 34 x 5.48 x 101.85 mm","description":"\u003cp\u003e\u003cstrong\u003eSupertech TIVN-1035 - Supertech Performance Valves - Toyota Scion tc Intake Valve 34 x 5.48 x 101.85 mm\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSupertech valves are the best on the market, made from one piece of forged stainless steel for the ultimate in strength and durability. Supertech valves go through a special heat treatment process that obtains the right amount of harness for each engine to ensure the ultimate valve for your performance motor. Supertech offers their valves in either chrome coating, used in high performance valves, or hardened black nitrided which is most popular in European and Japanese motors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSupertech High Performance Race Engine Valves features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe microhardness is higher than the stainless steel base material, keeping good ductility beneath the hard nitrided layer (microhardness is 800HV minimum)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eSurface finish is smoother than with chromed stems, having less friction between stem and guide.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eValve seat surface is harder with the nitrided layer, lasting longer with lead free fuels, alcohols, nitro or other \"explosive\" mixes. Matches any kind of seats (nodular iron seats, steel powder metal seats, hard aluminum-copper seats or beryllium copper seats).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eHigher rpm's engines take full advantage of all previous features. The higher the engine speed the bigger the power loss due to internal engine friction! The black nitride layer reduces this power loss due to less valve-guide friction.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe nitrided layer is adhered to the base material at a microscopic level, so does not\"flake\" or brake when the valves bend due to impacts with the pistons.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe Black Nitride applies to the whole valve while the chrome coating is only applied to the stem.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":35089403412634,"sku":"ST-TIVN-1035","price":24.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/hevi-1033d_3_178.jpg?v=1594266785"},{"product_id":"supertech-tivn-1037-supertech-performance-valves-toyota-scion-tc-intake-valve-35-1-0-x-5-48-x-101","title":"Supertech TIVN-1037 - Supertech Performance Valves - Toyota Scion tc Intake Valve 35 (+1.0)x 5.48 x 101","description":"\u003cp\u003e\u003cstrong\u003eSupertech TIVN-1037 - Supertech Performance Valves - Toyota Scion tc Intake Valve 35 (+1.0)x 5.48 x 101\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSupertech valves are the best on the market, made from one piece of forged stainless steel for the ultimate in strength and durability. Supertech valves go through a special heat treatment process that obtains the right amount of harness for each engine to ensure the ultimate valve for your performance motor. Supertech offers their valves in either chrome coating, used in high performance valves, or hardened black nitrided which is most popular in European and Japanese motors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSupertech High Performance Race Engine Valves features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe microhardness is higher than the stainless steel base material, keeping good ductility beneath the hard nitrided layer (microhardness is 800HV minimum)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eSurface finish is smoother than with chromed stems, having less friction between stem and guide.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eValve seat surface is harder with the nitrided layer, lasting longer with lead free fuels, alcohols, nitro or other \"explosive\" mixes. Matches any kind of seats (nodular iron seats, steel powder metal seats, hard aluminum-copper seats or beryllium copper seats).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eHigher rpm's engines take full advantage of all previous features. The higher the engine speed the bigger the power loss due to internal engine friction! The black nitride layer reduces this power loss due to less valve-guide friction.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe nitrided layer is adhered to the base material at a microscopic level, so does not\"flake\" or brake when the valves bend due to impacts with the pistons.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe Black Nitride applies to the whole valve while the chrome coating is only applied to the stem.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":35089404133530,"sku":"ST-TIVN-1037","price":24.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/hevi-1033d_3_179.jpg?v=1594266788"},{"product_id":"supertech-tivn-1040-supertech-performance-valves-toyota-v6-5vz-intake-racing-valve-34-std-x-5-97x","title":"Supertech TIVN-1040 - Supertech Performance Valves - Toyota V6 5VZ Intake Racing valve 34(std) x 5.97x","description":"\u003cp\u003e\u003cstrong\u003eSupertech TIVN-1040 - Supertech Performance Valves - Toyota V6 5VZ Intake Racing valve 34(std) x 5.97x\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSupertech valves are the best on the market, made from one piece of forged stainless steel for the ultimate in strength and durability. Supertech valves go through a special heat treatment process that obtains the right amount of harness for each engine to ensure the ultimate valve for your performance motor. Supertech offers their valves in either chrome coating, used in high performance valves, or hardened black nitrided which is most popular in European and Japanese motors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSupertech High Performance Race Engine Valves features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe microhardness is higher than the stainless steel base material, keeping good ductility beneath the hard nitrided layer (microhardness is 800HV minimum)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eSurface finish is smoother than with chromed stems, having less friction between stem and guide.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eValve seat surface is harder with the nitrided layer, lasting longer with lead free fuels, alcohols, nitro or other \"explosive\" mixes. Matches any kind of seats (nodular iron seats, steel powder metal seats, hard aluminum-copper seats or beryllium copper seats).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eHigher rpm's engines take full advantage of all previous features. The higher the engine speed the bigger the power loss due to internal engine friction! The black nitride layer reduces this power loss due to less valve-guide friction.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe nitrided layer is adhered to the base material at a microscopic level, so does not\"flake\" or brake when the valves bend due to impacts with the pistons.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe Black Nitride applies to the whole valve while the chrome coating is only applied to the stem.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":35089404985498,"sku":"ST-TIVN-1040","price":23.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/hevi-1033d_3_180.jpg?v=1594266795"},{"product_id":"supertech-tivn-1045-supertech-performance-valves-toyota-tacoma-2rz-3rz-intake-racing-valve-37-5-s","title":"Supertech TIVN-1045 - Supertech Performance Valves - Toyota Tacoma 2RZ\/ 3RZ Intake Racing valve 37.5(s","description":"\u003cp\u003e\u003cstrong\u003eSupertech TIVN-1045 - Supertech Performance Valves - Toyota Tacoma 2RZ\/ 3RZ Intake Racing valve 37.5(s\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSupertech valves are the best on the market, made from one piece of forged stainless steel for the ultimate in strength and durability. Supertech valves go through a special heat treatment process that obtains the right amount of harness for each engine to ensure the ultimate valve for your performance motor. Supertech offers their valves in either chrome coating, used in high performance valves, or hardened black nitrided which is most popular in European and Japanese motors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSupertech High Performance Race Engine Valves features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe microhardness is higher than the stainless steel base material, keeping good ductility beneath the hard nitrided layer (microhardness is 800HV minimum)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eSurface finish is smoother than with chromed stems, having less friction between stem and guide.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eValve seat surface is harder with the nitrided layer, lasting longer with lead free fuels, alcohols, nitro or other \"explosive\" mixes. Matches any kind of seats (nodular iron seats, steel powder metal seats, hard aluminum-copper seats or beryllium copper seats).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eHigher rpm's engines take full advantage of all previous features. The higher the engine speed the bigger the power loss due to internal engine friction! The black nitride layer reduces this power loss due to less valve-guide friction.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe nitrided layer is adhered to the base material at a microscopic level, so does not\"flake\" or brake when the valves bend due to impacts with the pistons.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe Black Nitride applies to the whole valve while the chrome coating is only applied to the stem.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":35089405575322,"sku":"ST-TIVN-1045","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/hevi-1033d_3_181.jpg?v=1594266797"},{"product_id":"supertech-tivn-1047-supertech-performance-valves-toyota-tacoma-2rz-3rz-intake-racing-valve-38-5","title":"Supertech TIVN-1047 - Supertech Performance Valves - Toyota Tacoma 2RZ\/ 3RZ Intake Racing valve 38.5(+","description":"\u003cp\u003e\u003cstrong\u003eSupertech TIVN-1047 - Supertech Performance Valves - Toyota Tacoma 2RZ\/ 3RZ Intake Racing valve 38.5(+\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSupertech valves are the best on the market, made from one piece of forged stainless steel for the ultimate in strength and durability. Supertech valves go through a special heat treatment process that obtains the right amount of harness for each engine to ensure the ultimate valve for your performance motor. Supertech offers their valves in either chrome coating, used in high performance valves, or hardened black nitrided which is most popular in European and Japanese motors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSupertech High Performance Race Engine Valves features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe microhardness is higher than the stainless steel base material, keeping good ductility beneath the hard nitrided layer (microhardness is 800HV minimum)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eSurface finish is smoother than with chromed stems, having less friction between stem and guide.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eValve seat surface is harder with the nitrided layer, lasting longer with lead free fuels, alcohols, nitro or other \"explosive\" mixes. Matches any kind of seats (nodular iron seats, steel powder metal seats, hard aluminum-copper seats or beryllium copper seats).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eHigher rpm's engines take full advantage of all previous features. The higher the engine speed the bigger the power loss due to internal engine friction! The black nitride layer reduces this power loss due to less valve-guide friction.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe nitrided layer is adhered to the base material at a microscopic level, so does not\"flake\" or brake when the valves bend due to impacts with the pistons.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe Black Nitride applies to the whole valve while the chrome coating is only applied to the stem.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":35089409212570,"sku":"ST-TIVN-1047","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/hevi-1033d_3_182.jpg?v=1594266799"},{"product_id":"supertech-tivn-1048-supertech-performance-valves-toyota-tacoma-2rz-3rz-intake-racing-valve-39-5","title":"Supertech TIVN-1048 - Supertech Performance Valves - Toyota Tacoma 2RZ\/ 3RZ Intake Racing valve 39.5(+","description":"\u003cp\u003e\u003cstrong\u003eSupertech TIVN-1048 - Supertech Performance Valves - Toyota Tacoma 2RZ\/ 3RZ Intake Racing valve 39.5(+\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSupertech valves are the best on the market, made from one piece of forged stainless steel for the ultimate in strength and durability. Supertech valves go through a special heat treatment process that obtains the right amount of harness for each engine to ensure the ultimate valve for your performance motor. Supertech offers their valves in either chrome coating, used in high performance valves, or hardened black nitrided which is most popular in European and Japanese motors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSupertech High Performance Race Engine Valves features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe microhardness is higher than the stainless steel base material, keeping good ductility beneath the hard nitrided layer (microhardness is 800HV minimum)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eSurface finish is smoother than with chromed stems, having less friction between stem and guide.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eValve seat surface is harder with the nitrided layer, lasting longer with lead free fuels, alcohols, nitro or other \"explosive\" mixes. Matches any kind of seats (nodular iron seats, steel powder metal seats, hard aluminum-copper seats or beryllium copper seats).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eHigher rpm's engines take full advantage of all previous features. The higher the engine speed the bigger the power loss due to internal engine friction! The black nitride layer reduces this power loss due to less valve-guide friction.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe nitrided layer is adhered to the base material at a microscopic level, so does not\"flake\" or brake when the valves bend due to impacts with the pistons.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe Black Nitride applies to the whole valve while the chrome coating is only applied to the stem.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":35089409966234,"sku":"ST-TIVN-1048","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/hevi-1033d_3_183.jpg?v=1594266800"},{"product_id":"supertech-tivn-1063-supertech-performance-valves-toyota-2tc-3tc-intake-valve-44x8x110mm-ss-backc","title":"Supertech TIVN-1063 - Supertech Performance Valves - Toyota 2TC\/ 3TC Intake valve 44x8x110mm\/ SS\/ Backc","description":"\u003cp\u003e\u003cstrong\u003eSupertech TIVN-1063 - Supertech Performance Valves - Toyota 2TC\/ 3TC Intake valve 44x8x110mm\/ SS\/ Backc\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSupertech valves are the best on the market, made from one piece of forged stainless steel for the ultimate in strength and durability. Supertech valves go through a special heat treatment process that obtains the right amount of harness for each engine to ensure the ultimate valve for your performance motor. Supertech offers their valves in either chrome coating, used in high performance valves, or hardened black nitrided which is most popular in European and Japanese motors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSupertech High Performance Race Engine Valves features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe microhardness is higher than the stainless steel base material, keeping good ductility beneath the hard nitrided layer (microhardness is 800HV minimum)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eSurface finish is smoother than with chromed stems, having less friction between stem and guide.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eValve seat surface is harder with the nitrided layer, lasting longer with lead free fuels, alcohols, nitro or other \"explosive\" mixes. Matches any kind of seats (nodular iron seats, steel powder metal seats, hard aluminum-copper seats or beryllium copper seats).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eHigher rpm's engines take full advantage of all previous features. The higher the engine speed the bigger the power loss due to internal engine friction! The black nitride layer reduces this power loss due to less valve-guide friction.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe nitrided layer is adhered to the base material at a microscopic level, so does not\"flake\" or brake when the valves bend due to impacts with the pistons.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe Black Nitride applies to the whole valve while the chrome coating is only applied to the stem.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":35089412456602,"sku":"ST-TIVN-1063","price":22.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/hevi-1033d_3_184.jpg?v=1594266802"},{"product_id":"supertech-tivn-1083d-supertech-performance-valves-toyota-v8-uz-fe-intake-39-5-1-5-mm-x-6-97mm-x-98","title":"Supertech TIVN-1083D - Supertech Performance Valves - Toyota V8 UZ-FE Intake 39.5(+1.5)mm x 6.97mm x 98","description":"\u003cp\u003e\u003cstrong\u003eSupertech TIVN-1083D - Supertech Performance Valves - Toyota V8 UZ-FE Intake 39.5(+1.5)mm x 6.97mm x 98\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSupertech valves are the best on the market, made from one piece of forged stainless steel for the ultimate in strength and durability. Supertech valves go through a special heat treatment process that obtains the right amount of harness for each engine to ensure the ultimate valve for your performance motor. Supertech offers their valves in either chrome coating, used in high performance valves, or hardened black nitrided which is most popular in European and Japanese motors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSupertech High Performance Race Engine Valves features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe microhardness is higher than the stainless steel base material, keeping good ductility beneath the hard nitrided layer (microhardness is 800HV minimum)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eSurface finish is smoother than with chromed stems, having less friction between stem and guide.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eValve seat surface is harder with the nitrided layer, lasting longer with lead free fuels, alcohols, nitro or other \"explosive\" mixes. Matches any kind of seats (nodular iron seats, steel powder metal seats, hard aluminum-copper seats or beryllium copper seats).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eHigher rpm's engines take full advantage of all previous features. The higher the engine speed the bigger the power loss due to internal engine friction! The black nitride layer reduces this power loss due to less valve-guide friction.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe nitrided layer is adhered to the base material at a microscopic level, so does not\"flake\" or brake when the valves bend due to impacts with the pistons.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe Black Nitride applies to the whole valve while the chrome coating is only applied to the stem.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":35089413275802,"sku":"ST-TIVN-1083D","price":25.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/hevi-1033d_3_185.jpg?v=1594266804"},{"product_id":"supertech-tivn-1083f-supertech-performance-valves-toyota-v8-uz-fe-intake-39-5-1-5-mm-x-6-97mm-x-98","title":"Supertech TIVN-1083F - Supertech Performance Valves - Toyota V8 UZ-FE Intake 39.5(+1.5)mm x 6.97mm x 98","description":"\u003cp\u003e\u003cstrong\u003eSupertech TIVN-1083F - Supertech Performance Valves - Toyota V8 UZ-FE Intake 39.5(+1.5)mm x 6.97mm x 98\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSupertech valves are the best on the market, made from one piece of forged stainless steel for the ultimate in strength and durability. Supertech valves go through a special heat treatment process that obtains the right amount of harness for each engine to ensure the ultimate valve for your performance motor. Supertech offers their valves in either chrome coating, used in high performance valves, or hardened black nitrided which is most popular in European and Japanese motors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSupertech High Performance Race Engine Valves features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe microhardness is higher than the stainless steel base material, keeping good ductility beneath the hard nitrided layer (microhardness is 800HV minimum)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eSurface finish is smoother than with chromed stems, having less friction between stem and guide.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eValve seat surface is harder with the nitrided layer, lasting longer with lead free fuels, alcohols, nitro or other \"explosive\" mixes. Matches any kind of seats (nodular iron seats, steel powder metal seats, hard aluminum-copper seats or beryllium copper seats).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eHigher rpm's engines take full advantage of all previous features. The higher the engine speed the bigger the power loss due to internal engine friction! The black nitride layer reduces this power loss due to less valve-guide friction.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe nitrided layer is adhered to the base material at a microscopic level, so does not\"flake\" or brake when the valves bend due to impacts with the pistons.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe Black Nitride applies to the whole valve while the chrome coating is only applied to the stem.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":35089414291610,"sku":"ST-TIVN-1083F","price":25.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/hevi-1033d_3_186.jpg?v=1594266811"},{"product_id":"supertech-tivn-1093d-supertech-performance-valves-toyota-4-7lt-v8-32v-2uz-fe-intake-36-1-5-mm-x-5","title":"Supertech TIVN-1093D - Supertech Performance Valves - Toyota 4.7lt V8 32v 2UZ-FE Intake 36(+1.5)mm x 5.","description":"\u003cp\u003e\u003cstrong\u003eSupertech TIVN-1093D - Supertech Performance Valves - Toyota 4.7lt V8 32v 2UZ-FE Intake 36(+1.5)mm x 5.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSupertech valves are the best on the market, made from one piece of forged stainless steel for the ultimate in strength and durability. Supertech valves go through a special heat treatment process that obtains the right amount of harness for each engine to ensure the ultimate valve for your performance motor. Supertech offers their valves in either chrome coating, used in high performance valves, or hardened black nitrided which is most popular in European and Japanese motors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSupertech High Performance Race Engine Valves features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe microhardness is higher than the stainless steel base material, keeping good ductility beneath the hard nitrided layer (microhardness is 800HV minimum)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eSurface finish is smoother than with chromed stems, having less friction between stem and guide.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eValve seat surface is harder with the nitrided layer, lasting longer with lead free fuels, alcohols, nitro or other \"explosive\" mixes. Matches any kind of seats (nodular iron seats, steel powder metal seats, hard aluminum-copper seats or beryllium copper seats).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eHigher rpm's engines take full advantage of all previous features. The higher the engine speed the bigger the power loss due to internal engine friction! The black nitride layer reduces this power loss due to less valve-guide friction.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe nitrided layer is adhered to the base material at a microscopic level, so does not\"flake\" or brake when the valves bend due to impacts with the pistons.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eThe Black Nitride applies to the whole valve while the chrome coating is only applied to the stem.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":35089415700634,"sku":"ST-TIVN-1093D","price":25.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/hevi-1033d_3_187.jpg?v=1594266813"},{"product_id":"supertech-performance-vs-t5-5e-toyota-scion-tc-2azfe-celica-1zz-2zz-exhaust-5-5mm-stem-viton","title":"Supertech Performance VS-T5.5E Toyota Scion Tc 2AZFE\/ Celica 1ZZ \/ 2ZZ  Exhaust 5.5mm stem\/ Viton","description":"\u003cp\u003e\u003cstrong\u003eSupertech Performance VS-T5.5E Toyota Scion Tc 2AZFE\/ Celica 1ZZ \/ 2ZZ Exhaust 5.5mm stem\/ Viton\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003ctable border=\"1\" align=\"left\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCAR MAKE\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eToyota\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCAR MODEL\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5.5mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eENGINE SPECIFICATIONS\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2AZFE\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMATERIAL\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eViton\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":35089692393626,"sku":"ST-VS-T5.5E","price":1.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/vs-ty5e_3.jpg?v=1594267858"},{"product_id":"supertech-performance-vs-t5-5i-toyota-scion-tc-2azfe-celica-1zz-2zz-intake-5-5mm-stem-polyacr","title":"Supertech Performance VS-T5.5I Toyota Scion Tc 2AZFE\/ Celica 1ZZ \/ 2ZZ  Intake 5.5mm stem\/ Polyacr.","description":"\u003cp\u003e\u003cstrong\u003eSupertech Performance VS-T5.5I Toyota Scion Tc 2AZFE\/ Celica 1ZZ \/ 2ZZ Intake 5.5mm stem\/ Polyacr.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003ctable border=\"1\" align=\"left\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCAR MAKE\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eToyota\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCAR MODEL\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5.5mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eENGINE SPECIFICATIONS\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2AZFE\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMATERIAL\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePolyacrylic\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":35089693343898,"sku":"ST-VS-T5.5I","price":0.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/vs-ty5e_4.jpg?v=1594267860"},{"product_id":"supertech-performance-vs-t6e-toyota-2jz-miata-6mm-exhaust-valve-stem-seal-viton","title":"Supertech Performance VS-T6E Toyota 2JZ\/ Miata  6mm Exhaust Valve stem seal \/ Viton","description":"\u003cp\u003e\u003cstrong\u003eSupertech Performance VS-T6E Toyota 2JZ\/ Miata 6mm Exhaust Valve stem seal \/ Viton\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003ctable border=\"1\" align=\"left\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCAR MAKE\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eToyota\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCAR MODEL\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e6mm Supra Miata\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eENGINE SPECIFICATIONS\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2JZGTE\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMATERIAL\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eViton\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":35089697865882,"sku":"ST-VS-T6E","price":0.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/vs-ty5e_8.jpg?v=1594267872"},{"product_id":"supertech-performance-vs-t6i-toyota-2jz-miata-6mm-intake-valve-stem-seal","title":"Supertech Performance VS-T6I Toyota 2JZ\/ Miata  6mm Intake Valve stem seal","description":"\u003cp\u003e\u003cstrong\u003eSupertech Performance VS-T6I Toyota 2JZ\/ Miata 6mm Intake Valve stem seal\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003ctable border=\"1\" align=\"left\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCAR MAKE\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eToyota\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCAR MODEL\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e6mm Supra Miata\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":35089700061338,"sku":"ST-VS-T6I","price":0.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/vs-ty5e_9.jpg?v=1594267874"},{"product_id":"supertech-performance-vs-ts6e-6mm-exhaust-valve-stem-seal-viton-subaru-toyota-3sgte-4age-16v-7mgte","title":"Supertech Performance VS-TS6E 6mm Exhaust Valve stem seal \/ Viton \/ ..Subaru\/ Toyota 3SGTE-4AGE 16v\/7MGTE.","description":"\u003cp\u003e\u003cstrong\u003eSupertech Performance VS-TS6E 6mm Exhaust Valve stem seal \/ Viton \/ ..Subaru\/ Toyota 3SGTE-4AGE 16v\/7MGTE.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003ctable border=\"1\" align=\"left\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCAR MAKE\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSubaru Toyota\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCAR MODEL\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e6mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMATERIAL\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eViton\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":35089700389018,"sku":"ST-VS-TS6E","price":0.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/vs-ty5e_10.jpg?v=1594267876"},{"product_id":"supertech-performance-vs-ts6i-6mm-intake-valve-stem-seal-polyacrylic-subaru-toyota-3sgte-4age-16v-7mgte","title":"Supertech Performance VS-TS6I 6mm Intake Valve stem seal \/ Polyacrylic \/Subaru\/ Toyota 3SGTE-4AGE 16v\/7MGTE.","description":"\u003cp\u003e\u003cstrong\u003eSupertech Performance VS-TS6I 6mm Intake Valve stem seal \/ Polyacrylic \/Subaru\/ Toyota 3SGTE-4AGE 16v\/7MGTE.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003ctable border=\"1\" align=\"left\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCAR MAKE\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSubaru Toyota\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCAR MODEL\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e6mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMATERIAL\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePolyacrylic\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":35089701863578,"sku":"ST-VS-TS6I","price":0.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/vs-ty5e_11.jpg?v=1594267886"},{"product_id":"supertech-performance-kpr-6t-6-6mm-toyota-keeper-oem-style-6-degree-needs-2-per-valve-installs-023-lower-then-oem","title":"Supertech Performance KPR-6T-6 6mm Toyota Keeper OEM style \/ 6 degree. Needs 2 per valve. Installs .023\" lower then OEM.","description":"\u003cp\u003e\u003cstrong\u003eSupertech Performance KPR-6T-6 6mm Toyota Keeper OEM style \/ 6 degree. Needs 2 per valve. Installs .023\" lower then OEM.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eKeeper\u003cbr\u003eOEM Style\u003cbr\u003eTwo Per Valve\u003cbr\u003eHardened\u003cbr\u003eInstalls .023\" Lower then OEM\u003c\/p\u003e\u003cp\u003eSupertech Keepers are developed specifically for Retainers which require them. The same high quality standards go into every Supertech Keeper just as every other product.\u003c\/p\u003e\u003cp\u003eSupertech Keepers are sold Per Keeper.\u003c\/p\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":35089740955802,"sku":"ST-KPR-6T-6","price":1.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/kpr-6t-6.jpg?v=1594268048"},{"product_id":"supertech-performance-kpr-6t-st-toyota-style-keeper-6mm-6-degree-keeper-needs-2-per-valve","title":"Supertech Performance KPR-6T-ST Toyota Style keeper 6mm \/ 6 degree keeper.  Needs 2 per valve.","description":"\u003cp\u003e\u003cstrong\u003eSupertech Performance KPR-6T-ST Toyota Style keeper 6mm \/ 6 degree keeper. Needs 2 per valve.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":35089786372250,"sku":"ST-KPR-6T-ST","price":2.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/b10012-e_49.gif?v=1594268234"},{"product_id":"arias-a3730400-toyota-4age-20v-81-5mm-bore-11-3-1-cr","title":"Arias A3730400 Toyota 4AGE 20V 81.5mm Bore 11.3:1 CR","description":"\u003cp\u003e\u003cstrong\u003eArias Pistons 81mm Bore 11.3 CR\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eArias Pistons has been the leader in compact piston technology since our beginning. While piston suppliers at the time focused on larger-bore domestic V-8's, Arias had the foresight to cater to smaller-bore, higher-revving, hotter-running imports and domestics.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 align=\"justify\"\u003eFeatures:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHi-tensile forged, not cast, billet material (4032 or 2618)\u003c\/li\u003e\n\u003cli\u003eCNC machined working surfaces\u003c\/li\u003e\n\u003cli\u003eOptimized crowns for efficient combustion\u003c\/li\u003e\n\u003cli\u003eDiamond-turned ellipsoidal skirt profile\u003c\/li\u003e\n\u003cli\u003eAll motor \/ nitrous feature lightweight, high strength construction\u003c\/li\u003e\n\u003cli\u003eTurbo \/ nitrous pistons feature durable, heavy-duty designs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eStock Bore: 81mm (Black Top) \/ 81.5mm (Silver Top)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eStroke: 3.031\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e.787\" \/ 20.0MM PIN\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGasket: .028\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDome Top: 3.209 \/ 81.50\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eComp Height: 1.209\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDome CC: 0.2\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eComp Ratio: 11.3 (Silver Top) \/ 10.5 (Black Top)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGram Wight: 293\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRequired Ring Set: 1012283209\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Arias Pistons","offers":[{"title":"Set","offer_id":53210037191023,"sku":"A3730400-SET","price":780.0,"currency_code":"USD","in_stock":true},{"title":"Single","offer_id":53210037223791,"sku":"A3730400-SINGLE","price":220.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/files\/arias-ari-3730400-24686702787.jpg?v=1756120136"},{"product_id":"arias-a3720212-toyota-2jz-gte-87mm-bore-9-0-1-cr","title":"Arias A3720212 Toyota 2JZ-GTE 87mm Bore 9.0:1 CR","description":"\u003cp\u003e\u003cspan\u003eARIAS PISTONS has been the leader in compact piston technology since our beginnings. While piston suppliers at that time focused mostly on larger-bore domestic V-8’s, ARIAS had the foresight to cater to the smaller-bore, higher-revving, hotter-running imports \u0026amp; domestic compacts.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHi-tensile forged, not cast, billet material (4032 or 2618).\u003c\/li\u003e\n\u003cli\u003eCNC machined working surfaces.\u003c\/li\u003e\n\u003cli\u003eOptimized crowns for efficient combustion.\u003c\/li\u003e\n\u003cli\u003eDiamond-turned ellipsoidal skirt profile.\u003c\/li\u003e\n\u003cli\u003eAll motor\/Nitrous pistons feature lightweight, high strength construction.\u003c\/li\u003e\n\u003cli\u003eTurbo\/Nitrous pistons feature durable, heavy-duty design.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Arias Pistons","offers":[{"title":"Set","offer_id":53205950038383,"sku":"A3720212-SET","price":1338.0,"currency_code":"USD","in_stock":true},{"title":"Single","offer_id":53205950071151,"sku":"A3720212-SINGLE","price":248.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/files\/cnn-a1010014_xl_2.jpg?v=1756277886"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/collections\/b92ea735ae54bce7954d7320d851a08d.jpg?v=1594260352","url":"https:\/\/www.speedfactoryracing.net\/collections\/toyota.oembed?page=6","provider":"SpeedFactoryRacing","version":"1.0","type":"link"}