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GSC Power Division Viton valve stem seals for Subaru FA20 engines are provided as 6mm seals in a bulk set. The Viton elastomer offers elevated heat resistance for valve stem sealing in higher-temperature conditions typical of performance and modern engines. These seals are supplied for direct replacement where a 6mm Viton specification is required and support routine engine rebuilds and maintenance.
GSC P-D Subaru FA20 Viton 6mm Valve Stem Seal - Set of 500
