Supertech chromoly steel retainer for Audi 5-valve exhaust spring SPR-V2093 intended to pair with that specific exhaust spring. Its chromoly construction is noted in the source and it’s sized for the exhaust valve application, offering a direct pairing that preserves spring seating and keeper engagement for dependable valve train function in the 5-valve Audi arrangement.
Supertech Steel Chromoly Retainer for Audi 5V (Exhaust Spring SPR-V2093 4)