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The GSC Power Division Viton valve stem seal set for Toyota Supra and BMW B58, N54, S55 and S58 engines includes 12 seals intended to replace worn exhaust valve stem seals. Made from Viton, these seals restore proper sealing at the valve stems to help control oil flow into the valve area and maintain healthier combustion chamber and plug well conditions for the covered engines.
GSC P-D Toyota Supra/BMW B58/N54/S55/S58 Viton Exhaust Valve Stem Seals - Set of 12
