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GSC Power Division Viton valve stem seal set for Subaru FA20 engines includes 6mm seals sized for the FA20 valvetrain. These Viton seals provide compatible sealing material and diameter for direct replacement in engines specifying 6mm stem seals. Sold as a set to refresh valve guide sealing where FA20 fitment is required.
GSC P-D Subaru FA20 Viton 6mm Valve Stem Seal Set
