Supertech 6 mm Viton exhaust valve stem seals come as a set of eight for VW, Audi and BMW valve applications. Made from heat-resistant Viton material, these seals are intended to control oil flow at the valve stem and maintain proper sealing at the exhaust side. They provide a direct-replacement service item for valve-train maintenance and valve guide sealing tasks.
Supertech VW/Audi / BMW 6mm Viton Exhaust Valve Stem Seal - Set of 8