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The Supertech valve stem seal is an 8mm Viton exhaust replacement supplied individually for VW and Audi engines. Manufactured for direct-fit service, the Viton material offers resistance to oil and high temperatures at the exhaust valve stem while helping maintain proper sealing. This single seal is intended for precise valve-train repairs on compatible VW and Audi applications.
Supertech VW/Audi 8mm Viton Exhaust Valve Stem Seal - Single
