Our LS valve stem seals are designed for stock powdered metal and bronze guides.

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MANLEY Valve Stem Seal, 11/32 in. Stem, .500 in. Guide OD, Each

MANLEY Valve Stem Seal, 11/32 in. Stem, .500 in. Guide OD, Each

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COMP Cams Valve Seal, Steel Viton, .500 in. Guide Size, 8mm Valve Stem, Set of 12

COMP Cams Valve Seal, Steel Viton, .500 in. Guide Size, 8mm Valve Stem, Set of 12

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8mm LS Enforcer Viton Valve Seals .620" O.D x .490" I.D

8mm LS Enforcer Viton Valve Seals .620" O.D x .490" I.D

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

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

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LS Cathedral Port Solid Stem Valve, 2.165 X 4.900 O.A.L., 1 Ea.

LS Cathedral Port Solid Stem Valve, 2.165 X 4.900 O.A.L., 1 Ea.

$39.96