High performance valve spring kit including retainers. 84lb@ 37mm, 157lb @ 10mm
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
High performance valve spring kit including retainers. 84lb@ 37mm, 157lb @ 10mm
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Eliminate valve-float at high RPMs - 80lbs Seat Pressure at 35.70mm - Featuring steel retainers
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
06-03-2026
Pair Your High Performance Valves with a Set of Upgraded Springs and Retainers!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Upgrade Your Factory Intake and Exhaust Valves
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Two required per valve, necessary for use with certain supertech valves
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This product was last offered at the strikethrough price on
03-04-2026
High performance valve spring kit including steel retainers. 75lb @ 37mm, 155lb @ 10mm
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
The perfect seal for repairing, replacing, or upgrading your valves and stem seals!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Eliminate valve-float at high RPMs - 67lbs Seat Pressure at 35.70mm - Featuring steel retainers
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Replacement intake valve
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
02-03-2026
Single Groove black nitride intake valve set for high performance builds
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Two required per valve, necessary for use with certain supertech valves
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
High performance valve springs. 84lb@ 37mm, 157lb @ 10mm
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Replacement intake valve
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
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High performance valve springs. 75lb @ 37mm, 155lb @ 10mm
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Two required per valve, necessary for use with certain supertech valves
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
High performance valve springs. 75lb @ 37mm, 155lb @ 10mm
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This product was last offered at the strikethrough price on
05-02-2026