Manley valve spring shims are available in a wide variety of thicknesses. They are high-quality valve spring shims are heat-treated to resist wear.

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COMP Cams Valve Spring Shim, Steel, Hardened, 1.500 in. OD, .645 in. ID .015 in. Thick, Set of 16

COMP Cams Valve Spring Shim, Steel, Hardened, 1.500 in. OD, .645 in. ID .015 in. Thick, Set of 16

$25.04

MANLEY Valve Spring Shims, Hardened, Steel, 1.625 O.D, .030 in. Thick, Each

MANLEY Valve Spring Shims, Hardened, Steel, 1.625 O.D, .030 in. Thick, Each

$2.92

QA1 Shock Tuning Kit

QA1 Shock Tuning Kit

$13.72

COMP Cams Valve Spring Shim, Steel, Hardened, 1.480 in. OD, .765 in. ID .015 in. Thick, Each

COMP Cams Valve Spring Shim, Steel, Hardened, 1.480 in. OD, .765 in. ID .015 in. Thick, Each

$1.29

Sonnax Shim, GM, Th350, Th350C, 4L60, 4L60/70-E

Sonnax Shim, GM, Th350, Th350C, 4L60, 4L60/70-E

$13.22