COMP Cams Valve Seals 3/8in PTFE

Marsoni

M251S

$30.95

Get it in 3 business days with 1 day shipping. Friday, May 29

COMP Cams Valve Seals 3/8in PTFECOMP Cams offers a complete line of valve stem seals, from the umbrella seals to the positive stop Teflon seal. These seals are a must to keep unwanted oil from entering the combustion chamber through the clearance in the valve guides. The umbrella seal is normally used when a larger than stock diameter spring is used, in the case of a double spring, the positive stop Teflon seal is used. The umbrella seals require no machining, but with the Teflon

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Reviewed in the United States on April 18, 2026