.256" x .500" x 1.020" x 1.000" Viton Metal Jacket Hat Valve Stem Seal.
Cometic 03-08 Ford Powerstroke 6.0L Hat Valve Stem Seal
.256" x .500" x 1.020" x 1.000" Valve Stem Seal
Cometic Gaskets- Valve Stem Seal
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Valve Stem Seal