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.
High performance valve springs. 84lb@ 37mm, 157lb @ 10mm
High performance valve springs. 75lb @ 37mm, 155lb @ 10mm
Two required per valve, necessary for use with certain supertech valves
Two required per valve, necessary for use with certain supertech valves
This product was last offered at the strikethrough price on
08-13-2026
Includes blaster, media, remote starter switch, scrapers and gaskets
10X Entries Into Our F80 M3 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.
This product was last offered at the strikethrough price on
08-26-2026
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
09-04-2026
High performance valve springs. 75lb @ 37mm, 155lb @ 10mm
Two required per valve, necessary for use with certain supertech valves
Located at the top of your valve spring