COMP Cams offers a complete line of valve seals, from the stock GM O-rings to the positive-stop PTFE seals. These seals are a must to keep unwanted oil from entering the combustion chamber through the clearance in the valve guides. The O-ring seals use the standard retainer and oil splash shield. The umbrella seals are normally used when a larger-than-stock diameter spring is used. In the case of a double spring, the positive stop PTFE seals are used. For triple-spring applications, use the smaller-diameter Viton® seals.

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COMP Cams Valve Seal, Metal Body Viton, .530 in. Guide Size, 11/32 in. Valve Stem, Each

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COMP Cams Valve Seal, PTFE, .530 in. Guide Size, 5/16 in. Valve Stem, Set of 12

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COMP Cams Valve Seal, Black Viton, .425 in. Guide Size, 5/16 in. Valve Stem, Each

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MANLEY Valve Stem Seal, 3/8 in. Stem, .530 in. Guide OD., Set of 16

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MANLEY Valve Stem Seal, 5/16 in. Stem, .530 in. Guide OD., Each

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CROWCAMS Stem Seal, Top Hat, LS Viton Int, 100pc

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