Quality retainers from Supertech
Quality retainers from Supertech
High performance valve springs. 75lb @ 37mm, 155lb @ 10mm
This product was last offered at the strikethrough price on
10-25-2026
Replacement exhaust valve
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
10-30-2026
Two required per valve, necessary for use with certain supertech valves
Quality retainers from Supertech
The spring that keeps your valves closed
High performance valve springs. 84lb@ 37mm, 157lb @ 10mm
Black Walnut Blast Media
10X Entries Into Our F80 M3 Sweepstakes
Manufactured by Febi Bilstein, this direct-replacement valve offers original equipment reliability without the dealership markup.