The perfect seal for repairing, replacing, or upgrading your valves and stem seals!
The perfect seal for repairing, replacing, or upgrading your valves and stem seals!
Inconel-Nimonic / Sodium Filled, oversize 28.50mm (+0.5mm), set of 12.
Two required per valve, necessary for use with certain supertech valves
Two required per valve, necessary for use with certain supertech valves
High performance valve springs. 84lb@ 37mm, 157lb @ 10mm
High performance valve springs. 75lb @ 37mm, 155lb @ 10mm
High performance valve springs. 75lb @ 37mm, 155lb @ 10mm
This product was last offered at the strikethrough price on
05-02-2026
Includes blaster, media, remote starter switch, scrapers and gaskets
10X Entries For Our 25th Anniversary Sweepstakes!
This product was last offered at the strikethrough price on
05-02-2026
Quality retainers from Supertech
Quality retainers from Supertech
Genuine BMW replacement valve spring that applies pressure to the valve, allowing it to open and close. 1 of 32 needed.
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
07-20-2026
Quality retainers from Supertech
Allows the release of exhaust gasses from the combustion chamber.
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
07-20-2026
Two required per valve, necessary for use with certain supertech valves
Located at the top of your valve spring