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The Supertech valve stem seal is a 5.5mm Viton integral seal with a spring seat, supplied as a single replacement for Ford Duratec engines. Intended for exhaust or intake service where specified, the Viton construction supports heat and oil resistance. Sold individually, it provides a direct-fit option for routine valve-train repairs and targeted component replacement on Duratec applications.
Supertech Ford Duratec 5.5mm Viton Integral Valve Stem Seal w/Spring Seat - Single
