Manley high performance all-PTFE valve stem seals wipe excess oil from the valve stem by means of a unique, spring-loaded wiper assembly, providing maximum valve stem oil control. These seals are a definite must! They stop unwanted oil from reaching and contaminating the cylinder and are available to fit different applications. So, whether you are planning an engine overhaul or a cam change--don't forget the valve stem seals!

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COMP Cams Valve Seal, Metal Body Viton, .500 in. Guide Size, 5/16 in. Valve Stem, Set of 8

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