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The Supertech exhaust valve stem seal set for Mitsubishi is a 6.6mm Viton standard-size pack supplied as a set of 8. These exhaust-side seals match Mitsubishi valve stem dimensions where standard-size Viton seals are required, intended for replacement during head service to restore correct exhaust stem sealing and compatibility with existing valve guide dimensions.
Supertech Mitsubishi 6.6mm Viton Exhaust Valve Stem Seal (STD Size) - Set of 8
