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K-Series Spark Plug/Coil Cover V2
CH-CIC-K-V2
Best selling products
Cam Gears & Acc.
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New products
All new Version 2 Circuit Hero spark plug covers are here! We didn't just bring our spark plug covers back, we have teamed up with Blox...
Type-A Stainless Steel Shift Knob - V2
CH-TAP-10x1.5-V2
Best selling products
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New products
SHIFT KNOBS
The Original Circuit Hero Type-A shift knob is a weighted spherical ergonomic shape that feels natural to shift. Our new V2 version has been slightly...
Circuit Hero Titanium Oil Cap
Best selling products
Cam Gears & Acc.
Except Excluded Sale Brands
Flash Sale Exclusions
New products
Available in M32x 3.5 thread for Newer Honda, Suzuki and Nissan and M33x 2.8 thread for B/D/H/F Made from forge aerospace titanium, they are...
SpeedFactory Racing Stainless Steel K-Series Exhaust Manifold Stud Kit
SF-02-063-SS
15% Off SpeedFactory Only
5% Off
Best selling products
Engine Parts
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New products
New Products!
SF Parts
SpeedFactory Racing
Introducing a new, cost-effective yet still high performance alternative to our Titanium Stud Kits! Our high quality stainless stud kits look great and allow you to...
BC0010 - Honda B16A/B18C Spring/Titanium Retainer Kit
BC0010
Best selling products
Brian Crower
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Flash Sale Exclusions
New products
Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, super clean, chrome silicone alloy and feature...
BC0010S - Honda B16A/B18C Spring/Steel Retainer Kit
BC0010S
Best selling products
Brian Crower
Except Excluded Sale Brands
Flash Sale Exclusions
New products
Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, super clean, chrome silicone alloy and feature...
BC0018B - Honda B16A/B17A Stroker Kit - 84.5mm Stroke Billet/ProH625+ Rods
BC0018B
Best selling products
Brian Crower
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Flash Sale Exclusions
New products
B16A (1.92L) - Includes 4340 billet crank, 84.5mm stroke, H-beam ProH625+ rods (5.290 c-to-c), custom pistons (choice of bore/compression). ACL Race bearings are available...
BC0019B - Honda B16A/B17A Stroker Kit - 84.5mm Stroke Billet/ProH2K Rods
BC0019B
Best selling products
Brian Crower
Except Excluded Sale Brands
Flash Sale Exclusions
New products
B16A (1.92L) - Includes 4340 billet crank, 84.5mm stroke, ProH2K (formerly Sportsman) rods (5.290 c-to-c), custom pistons (choice of bore/compression). ACL Race bearings sold...
BC0020 - Honda/Acura B18A/B/B20B Spring/Titanium Retainer Kit
BC0020
Best selling products
Brian Crower
Except Excluded Sale Brands
Flash Sale Exclusions
New products
Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, super clean, chrome silicone alloy and feature...
BC0020S - Honda/Acura B18A/B/B20B Spring/Steel Retainer Kit
BC0020S
Best selling products
Brian Crower
Except Excluded Sale Brands
Flash Sale Exclusions
New products
Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, super clean, chrome silicone alloy and feature...
BC0022 - Honda/Acura B18A/B Stage 2 Camshafts - Normally Aspirated Spec
BC0022
Best selling products
Brian Crower
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New products
Hot street/strip or road race profile. Use with CAI, H, E, A/F modifications for optimum horsepower and torque. Requires kit BC0020. Adv Dur 300°/300°...
BC0026B - Honda B18/B20 Stroker Kit - 92mm Stroke Billet/ProH2K Long Rods (5.512")
BC0026B
Best selling products
Brian Crower
Except Excluded Sale Brands
Flash Sale Exclusions
New products
B18/B20 (2.09L) - Includes 4340 billet crank, 92mm stroke, ProH2K rods (5.512 c-to-c), custom pistons (choice of bore/compression). ACL Race bearings available separately. Crank...