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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MANLEY Valve Stem Seal, 3/8 in. Stem, .530 in. Guide OD., Each

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MANLEY Valve Stem Seal, 5/16 in. Stem, .500 in. Guide OD., Set of 16

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COMP Cams Valve Seal, O-Ring, Stock Guide Size, 11/32 in. Valve Stem, Set of 12

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Dart .371 x .530 PC Seals

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Dart Valve Stem Seal, Replacement, 0.341 in. Valve Stem, Fits Dart/Dart Iron Eagle, 0.530 in. O.D., Each

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COMP Cams Valve Seal, Black Viton, .494 in. Guide Size, 11/32 in. Valve Stem, Each

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