Supertech titanium retainer for Audi 5-valve exhaust spring SPR-H1002D designed to mate with that exhaust spring. The retainer suits the five-valve Audi exhaust application and is intended as a lightweight retention component to complement the SPR-H1002D spring, helping to control valve train mass and preserve correct spring seating under valve motion.
Supertech Titanium Retainer for Audi 5V Exhaust Spring SPR-H1002D