Inconel-Nimonic / Sodium Filled, oversize 28.50mm (+0.5mm), set of 12.
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
Common source of emission related issues
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
This product was last offered at the strikethrough price on
05-02-2026
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
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
Located at the top of your valve spring
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
06-04-2026
Quality retainers from Supertech
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Quality retainers from Supertech
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
Includes blaster, media, remote starter switch, scrapers and gaskets
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
This product was last offered at the strikethrough price on
05-02-2026
Quality retainers from Supertech
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW replacement valve spring that applies pressure to the valve, allowing it to open and close. 1 of 32 needed.
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
06-04-2026
Allows the release of exhaust gasses from the combustion chamber.
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
06-04-2026
Two required per valve, necessary for use with certain supertech valves
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms