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
Standard size
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
01-03-2026
Inconel-Nimonic / Sodium Filled, Std 28mm, set of 12.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Valve located on the exhaust side of the engine
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
04-06-2026
Standard size. 30.1mm intake, 28.5mm exhaust.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Replacement exhaust 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
Replacement exhaust valve
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
This product was last offered at the strikethrough price on
12-05-2025
High performance valve spring kit including steel retainers. 75lb @ 37mm, 155lb @ 10mm
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Single Groove sodium filled exhaust valves for high performance builds
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
Inconel-Nimonic / Sodium Filled, oversize 28.50mm (+0.5mm), set of 12.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Single Groove sodium filled exhaust valve set for high performance builds
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms