{"title":"Valves","description":"\u003cp\u003e \u003c\/p\u003e","products":[{"product_id":"supertech-bronze-valve-guides-k-series-engines","title":"Supertech Bronze Valve Guides (K Series Engines)","description":"\u003cp\u003e\u003cspan style=\"font-size: small;\" _mce_style=\"font-size: small;\" size=\"2\"\u003eSupertech Valve Guides are precision-machined from high quality Magnesium Bronze material. These guides in combination with low friction nitrated valves provide the best solution for performance and durability.\u003cbr\u003e\u003cbr\u003e If you have a performance motor, turbo or nitrous the heat destroys the OEM valve guides. These manganese bronze guides are just what you need at a price that's unbeatable for the quality. Why settle for OEM when you can have Supertech? Your motor deserves the best!\u003c\/span\u003e\u003c\/p\u003e\u003cspan style=\"font-size: x-small;\" _mce_style=\"font-size: x-small;\" size=\"2\"\u003e\u003cspan style=\"font-size: small;\" _mce_style=\"font-size: small;\"\u003eThis is a set of 16 pcs 8 x Intake and 8 x Exhaust\u003c\/span\u003e\u003c\/span\u003eX","brand":"Supertech","offers":[{"title":"Default Title","offer_id":35088197419162,"sku":"IG GDE-HK55-I + GDE-HK55-E","price":76.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/st-gde_9c5f1623-46d5-48dc-83e1-10a4300ac570.jpg?v=1594262055"},{"product_id":"supertech-bronze-valve-guides-b-series-vtec","title":"Supertech Bronze Valve Guides B-Series VTEC - Complete Set","description":"\u003cp\u003e\u003cspan style=\"font-size: x-small;\" size=\"2\" _mce_style=\"font-size: x-small;\"\u003eSupertech Valve Guides are precision-machined from high quality Magnesium Bronze material. These guides in combination with low friction nitrated valves provide the best solution for performance and durability.\u003cbr\u003e\u003cbr\u003e If you have a performance motor, turbo or nitrous the heat destroys the OEM valve guides. These manganese bronze guides are just what you need at a price that's unbeatable for the quality. Why settle for OEM when you can have Supertech? Your motor deserves the best!\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: x-small;\" size=\"2\" _mce_style=\"font-size: x-small;\"\u003eThis is a set of 16 pcs (8 x Intake and 8 x Exhaust)\u003c\/span\u003e\u003c\/p\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":35088197976218,"sku":"IG GDE-HB55-I + GDE-HB55-E","price":76.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/valve-guides-cat_1.jpg?v=1594262057"},{"product_id":"supertech-valve-stem-seal-kit-honda-acura","title":"Supertech Valve Stem Seal Kit Honda\/Acura","description":"\u003cp\u003eSupertech Valve Stem Seals for Honda\/Acura B, D, H, K Series Engines \u003cbr\u003e\u003cbr\u003e\u003cbr\u003e Honda B18a, B18b, B18c1, B18c5, B18c, B16a1, B16a, B16, B16a3, D16a6, D16, D16z6, D16y8, D16y7, H22a1, H22a, H22, H22a4, H22a5 -- Acura K20a1, K20a2, K20a, K20, K24a, K24 \u003cbr\u003e\u003cbr\u003e Supertech 5.5mm viton valve stem seals reduced outer diameter valve seals are perfect for those that are using dual valve springs or may otherwise have valve spring clearance issues or just need to install new Valve Stem Seals due to worn pieces.\u003c\/p\u003e\u003cp\u003eThis is for a complete set of 16 seals, 8 intake and 8 exhaust\u003c\/p\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":35088204791962,"sku":"IG ST-VS-H5.5E - ST-VS-H5.5I","price":15.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/st-vs.jpg?v=1594262100"},{"product_id":"ferrea-intake-valve-31-5mm-5mm-b18a1-b18b1-b20b-integra-ls-acura-integra-gs-1990-2000-1-8l-b18a1-b1-intake-5mm-oversize-competition-plus-engine-valves","title":"Ferrea Intake Valve 31.5mm +.5mm B18A1 B18B1 B20B Integra LS - Acura Integra GS (1990 - 2000) 1.8L (B18A1-B1) Intake, .5mm Oversize Competition Plus Engine Valves","description":"\u003cp\u003e\u003cstrong\u003eFerrea Acura Integra GS (1990 - 2000) 1.8L (B18A1-B1) Intake, .5mm Oversize Competition Plus Engine Valves\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrea Intake Valve 31.5mm +.5mm B18A1 B18B1 B20B Integra LS\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eFerrea Competition Plus Valves have built a reputation as the industry's most reliable extreme duty valve. To manufacture the valves we use special aerospace quality alloys, including the EV8-Z18, which provides high tensile strength. An exclusive two-step slow forging process ensures proper grain flow and virtually eliminates any damage to the material structure. The valves are then heat-treated and stress-relieved over a 48-hour period, which is the crucial base of our molecular integrity. 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To manufacture the valves we use special aerospace quality alloys, including the EV8-Z18, which provides high tensile strength. An exclusive two-step slow forging process ensures proper grain flow and virtually eliminates any damage to the material structure. The valves are then heat-treated and stress-relieved over a 48-hour period, which is the crucial base of our molecular integrity. These valves feature avionics-quality hard chrome along with a specially applied hard tip.\u003c\/span\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\u003eAcura\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\u003eNSX\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eVALVE TIP LENGTH\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3.17\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\u003e30.05mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eFACE TYPE\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDish\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\u003eC30A C32B\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\u003e5.455\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\u003e111.6\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":35088776954010,"sku":"FER F1559P","price":35.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/f1444p_6.jpg?v=1594264614"},{"product_id":"ferrea-exhaust-valve-31-05mm-1mm-c30a-c32b-nsx-acura-nsx-1991-2002-exhaust-1mm-oversize-competition-plus-engine-valves","title":"Ferrea Exhaust Valve 31.05mm +1mm C30A C32B NSX - Acura NSX (1991 - 2002) Exhaust, 1mm Oversize Competition Plus Engine Valves","description":"\u003cp\u003e\u003cstrong\u003eFerrea Acura NSX (1991 - 2002) Exhaust, 1mm Oversize Competition Plus Engine Valves\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFerrea Exhaust Valve 31.05mm +1mm C30A C32B NSX Acura\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eFerrea Competition Plus Valves have built a reputation as the industry's most reliable extreme duty valve. To manufacture the valves we use special aerospace quality alloys, including the EV8-Z18, which provides high tensile strength. An exclusive two-step slow forging process ensures proper grain flow and virtually eliminates any damage to the material structure. The valves are then heat-treated and stress-relieved over a 48-hour period, which is the crucial base of our molecular integrity. These valves feature avionics-quality hard chrome along with a specially applied hard tip.\u003c\/span\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\u003eAcura\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\u003eNSX\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eVALVE TIP LENGTH\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3.17\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\u003e+1mm\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\u003e31.05mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eFACE TYPE\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDish\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\u003eC30A C32B\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\u003e5.455\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\u003e111.6\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":35088780361882,"sku":"FER F1561P","price":35.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/f1444p_8.jpg?v=1594264634"},{"product_id":"ferrea-ho-i-29-5-5-115-4-1-honda-civic-crx-1988-1991-intake-stock-competition-plus-engine-valves","title":"Ferrea HO I 29 5.5 115 4.1 - 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They have higher fatigue resistance and tensile strengths than our competitor’s best offerings.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003e\u003cspan\u003eTo manufacture the valves we use our exclusive two-step slow forging process using EV8 stainless steel on both intake and exhaust valves.We provide a special heat-treatment and stress relieving process, along with hard chrome stems and friction-welded hard tips. We finish with a swirl polished head. 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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! 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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":35089088970906,"sku":"ST-HEVI-1000","price":32.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/bmevi_1_32.jpg?v=1594265585"},{"product_id":"supertech-hevi-1001-supertech-performance-valves-honda-b16a-18c-exhaust-racing-valve-28-5-x-5-45","title":"Supertech HEVI-1001 - Supertech Performance Valves - Honda B16A\/18C Exhaust Racing Valve 28.5 x 5.45","description":"\u003cp\u003e\u003cstrong\u003eSupertech HEVI-1001 - Supertech Performance Valves - Honda B16A\/18C Exhaust Racing Valve 28.5 x 5.45\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":35089089593498,"sku":"ST-HEVI-1001","price":32.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/bmevi_1_31.jpg?v=1594265591"},{"product_id":"supertech-hevi-1001-2-supertech-performance-valves-honda-b16a-18c-exhaust-racing-valve-28-5-x-5-45","title":"Supertech HEVI-1001-2 - Supertech Performance Valves - Honda B16A\/18C Exhaust Racing Valve 28.5 x 5.45","description":"\u003cp\u003e\u003cstrong\u003eSupertech HEVI-1001-2 - Supertech Performance Valves - Honda B16A\/18C Exhaust Racing Valve 28.5 x 5.45\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":35089090478234,"sku":"ST-HEVI-1001-2","price":56.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/bmevi_1_30.jpg?v=1594265605"},{"product_id":"supertech-hevi-1020d-supertech-performance-valves-honda-rsx-exhaust-valve-30x5-45x108-65mm-ss-incon","title":"Supertech HEVI-1020D - Supertech Performance Valves - Honda RSX Exhaust Valve 30x5.45x108.65mm\/ SS\/INCON","description":"\u003cp\u003e\u003cstrong\u003eSupertech HEVI-1020D - Supertech Performance Valves - Honda RSX Exhaust Valve 30x5.45x108.65mm\/ SS\/INCON\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":35089092247706,"sku":"ST-HEVI-1020D","price":32.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/bmevi_1_28.jpg?v=1594265609"},{"product_id":"supertech-hevi-1021d-supertech-performance-valves-honda-rsx-k20-exhaust-valve-30-50x5-45x108-65mm","title":"Supertech HEVI-1021D - Supertech Performance Valves - Honda RSX \/ K20 Exhaust Valve 30.50x5.45x108.65mm","description":"\u003cp\u003e\u003cstrong\u003eSupertech HEVI-1021D - Supertech Performance Valves - Honda RSX \/ K20 Exhaust Valve 30.50x5.45x108.65mm\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":35089093165210,"sku":"ST-HEVI-1021D","price":32.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/bmevi_1_27.jpg?v=1594265613"},{"product_id":"supertech-hevi-1030d-supertech-performance-valves-honda-k20-s2000-f20-rsx-k20-exhaust-valve-31x5","title":"Supertech HEVI-1030D - Supertech Performance Valves - Honda K20\/S2000\/F20 - RSX\/ K20 Exhaust valve 31x5.","description":"\u003cp\u003e\u003cstrong\u003eSupertech HEVI-1030D - Supertech Performance Valves - Honda K20\/S2000\/F20 - RSX\/ K20 Exhaust valve 31x5.\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":35089093460122,"sku":"ST-HEVI-1030D","price":32.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/bmevi_1_26.jpg?v=1594265615"},{"product_id":"supertech-hevi-1033d-supertech-performance-valves-honda-s2000-f20-exhaust-valve-31-50x5-45x108-80mm","title":"Supertech HEVI-1033D - Supertech Performance Valves - Honda S2000\/F20 Exhaust valve 31.50x5.45x108.80mm","description":"\u003cp\u003e\u003cstrong\u003eSupertech HEVI-1033D - Supertech Performance Valves - Honda S2000\/F20 Exhaust valve 31.50x5.45x108.80mm\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":35089093984410,"sku":"ST-HEVI-1033D","price":32.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/bmevi_1_25.jpg?v=1594265617"},{"product_id":"supertech-hevi-1102-supertech-performance-valves-honda-d16z6-exhaust-valve-27-1-x5-45x116mm-tip","title":"Supertech HEVI-1102 - Supertech Performance Valves - Honda D16Z6 Exhaust valve 27 (+1)x5.45x116mm \/ Tip","description":"\u003cp\u003e\u003cstrong\u003eSupertech HEVI-1102 - Supertech Performance Valves - Honda D16Z6 Exhaust valve 27 (+1)x5.45x116mm \/ Tip\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":35089094705306,"sku":"ST-HEVI-1102","price":35.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/bmevi_1_24.jpg?v=1594265624"},{"product_id":"supertech-hevn-1000-supertech-performance-valves-honda-gsr-b16a-18c-exhaust-racing-valve-28x5-45x1","title":"Supertech HEVN-1000 - Supertech Performance Valves - Honda GSR\/ B16A\/18C Exhaust Racing Valve 28x5.45x1","description":"\u003cp\u003e\u003cstrong\u003eSupertech HEVN-1000 - Supertech Performance Valves - Honda GSR\/ B16A\/18C Exhaust Racing Valve 28x5.45x1\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":35089095655578,"sku":"ST-HEVN-1000","price":21.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/bmevi_1_23.jpg?v=1594265632"},{"product_id":"supertech-hevn-1001-supertech-performance-valves-honda-b16a-18c-exhaust-racing-valve-28-5-x-5-45-x","title":"Supertech HEVN-1001 - Supertech Performance Valves - Honda B16A\/18C Exhaust Racing Valve 28.5 x 5.45 x","description":"\u003cp\u003e\u003cstrong\u003eSupertech HEVN-1001 - Supertech Performance Valves - Honda B16A\/18C Exhaust Racing Valve 28.5 x 5.45 x\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":35089096081562,"sku":"ST-HEVN-1001","price":15.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/bmevi_1_22.jpg?v=1594265634"},{"product_id":"supertech-hevn-1001-2d-supertech-performance-valves-honda-b16a-18c-exhaust-racing-valve-29-x-5-45-x","title":"Supertech HEVN-1001-2D - Supertech Performance Valves - Honda B16A\/18C Exhaust Racing Valve 29 x 5.45 x","description":"\u003cp\u003e\u003cstrong\u003eSupertech HEVN-1001-2D - Supertech Performance Valves - Honda B16A\/18C Exhaust Racing Valve 29 x 5.45 x\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":35089096278170,"sku":"ST-HEVN-1001-2D","price":16.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/bmevi_1_21.jpg?v=1594265636"},{"product_id":"supertech-hevn-1001-2f-supertech-performance-valves-honda-b16a-18c-exhaust-racing-valve-29-x-5-45-x","title":"Supertech HEVN-1001-2F - Supertech Performance Valves - Honda B16A\/18C Exhaust Racing Valve 29 x 5.45 x","description":"\u003cp\u003e\u003cstrong\u003eSupertech HEVN-1001-2F - Supertech Performance Valves - Honda B16A\/18C Exhaust Racing Valve 29 x 5.45 x\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":35089097130138,"sku":"ST-HEVN-1001\/2F","price":20.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/bmevi_1_20.jpg?v=1594265636"},{"product_id":"supertech-hevn-1001f-supertech-performance-valves-honda-b16-18c-exhaust-racing-valve-28-50x5-45x102","title":"Supertech HEVN-1001F - Supertech Performance Valves - Honda B16\/18C Exhaust Racing Valve 28.50x5.45x102.","description":"\u003cp\u003e\u003cstrong\u003eSupertech HEVN-1001F - Supertech Performance Valves - Honda B16\/18C Exhaust Racing Valve 28.50x5.45x102.\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":35089099325594,"sku":"ST-HEVN-1001F","price":21.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/bmevi_1_19.jpg?v=1594265638"},{"product_id":"supertech-hevn-1003-supertech-performance-valves-honda-d16a6-d15b-exhaust-racing-valve-25x5-45x118","title":"Supertech HEVN-1003 - Supertech Performance Valves - Honda D16A6\/D15B Exhaust Racing valve 25x5.45x118.","description":"\u003cp\u003e\u003cstrong\u003eSupertech HEVN-1003 - Supertech Performance Valves - Honda D16A6\/D15B Exhaust Racing valve 25x5.45x118.\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":35089099817114,"sku":"ST-HEVN-1003","price":22.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/bmevi_1_18.jpg?v=1594265643"},{"product_id":"supertech-hevn-1004-supertech-performance-valves-honda-b18a-b-exhaust-racing-valve-28-50x6-55x105-8","title":"Supertech HEVN-1004 - Supertech Performance Valves - Honda B18A\/B Exhaust Racing Valve 28.50x6.55x105.8","description":"\u003cp\u003e\u003cstrong\u003eSupertech HEVN-1004 - Supertech Performance Valves - Honda B18A\/B Exhaust Racing Valve 28.50x6.55x105.8\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":35089100669082,"sku":"ST-HEVN-1004","price":21.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/bmevi_1_17.jpg?v=1594265648"},{"product_id":"supertech-hevn-1004-0-supertech-performance-valves-honda-b18a-b-exhaust-valve-28-00x6-55x105-80mm-s","title":"Supertech HEVN-1004-0 - Supertech Performance Valves - Honda B18A\/B Exhaust Valve 28.00x6.55x105.80mm \/ S","description":"\u003cp\u003e\u003cstrong\u003eSupertech HEVN-1004-0 - Supertech Performance Valves - Honda B18A\/B Exhaust Valve 28.00x6.55x105.80mm \/ 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":35089102536858,"sku":"ST-HEVN-1004-0","price":21.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/bmevi_1_16.jpg?v=1594265650"},{"product_id":"supertech-hevn-1005-supertech-performance-valves-honda-zc-d16a1-exhaust-valve-27-50x6-55x104-60mm","title":"Supertech HEVN-1005 - Supertech Performance Valves - Honda ZC\/D16A1 Exhaust Valve 27.50x6.55x104.60mm \/","description":"\u003cp\u003e\u003cstrong\u003eSupertech HEVN-1005 - Supertech Performance Valves - Honda ZC\/D16A1 Exhaust Valve 27.50x6.55x104.60mm \/\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":35089104208026,"sku":"ST-HEVN-1005","price":21.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/bmevi_1_15.jpg?v=1594265665"},{"product_id":"supertech-hevn-100f-supertech-performance-valves-honda-gsr-b16a-18c-exhaust-racing-valve-28x5-45x1","title":"Supertech HEVN-100F - Supertech Performance Valves - Honda GSR\/ B16A\/18C Exhaust Racing Valve 28x5.45x1","description":"\u003cp\u003e\u003cstrong\u003eSupertech HEVN-100F - Supertech Performance Valves - Honda GSR\/ B16A\/18C Exhaust Racing Valve 28x5.45x1\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":35089109090458,"sku":"ST-HEVN-100F","price":21.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/bmevi_1_10.jpg?v=1594265676"},{"product_id":"supertech-hevn-1012-supertech-performance-valves-honda-d16z6-exhaust-valve-26x5-45x116mm-tip-1-9m","title":"Supertech HEVN-1012 - Supertech Performance Valves - Honda D16Z6 Exhaust valve 26x5.45x116mm \/ Tip 1.9m","description":"\u003cp\u003e\u003cstrong\u003eSupertech HEVN-1012 - Supertech Performance Valves - Honda D16Z6 Exhaust valve 26x5.45x116mm \/ Tip 1.9m\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":35089110728858,"sku":"ST-HEVN-1012","price":21.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/bmevi_1_9.jpg?v=1594265681"},{"product_id":"supertech-hevn-1002-supertech-performance-valves-honda-d16z6-exhaust-valve-26-5x5-45x116mm-tip-1","title":"Supertech HEVN-1002 - Supertech Performance Valves - Honda D16Z6 Exhaust valve 26.5x5.45x116mm \/ Tip 1.","description":"\u003cp\u003e\u003cstrong\u003eSupertech HEVN-1002 - Supertech Performance Valves - Honda D16Z6 Exhaust valve 26.5x5.45x116mm \/ Tip 1.\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":35089112301722,"sku":"ST-HEVN-1002","price":21.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/bmevi_1_8.jpg?v=1594265683"},{"product_id":"supertech-hevn-1030d-supertech-performance-valves-honda-k20-s2000-f20-rsx-k20-exhaust-valve-31x5","title":"Supertech HEVN-1030D - Supertech Performance Valves - Honda K20\/S2000\/F20 - RSX\/ K20 Exhaust valve 31x5.","description":"\u003cp\u003e\u003cstrong\u003eSupertech HEVN-1030D - Supertech Performance Valves - Honda K20\/S2000\/F20 - RSX\/ K20 Exhaust valve 31x5.\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":35089115414682,"sku":"ST-HEVN-1030D","price":22.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/products\/bmevi_1_5.jpg?v=1594265714"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/collections\/aa04e0e3c3e5d9fc998ef45b144b1925.jpg?v=1594260289","url":"https:\/\/www.speedfactoryracing.net\/en-ca\/collections\/valves.oembed?page=9","provider":"SpeedFactoryRacing","version":"1.0","type":"link"}