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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Sonnax Shim, GM, 4L60, 4L60-E, 4L65-E, 4L70-E

Sonnax Shim, GM, 4L60, 4L60-E, 4L65-E, 4L70-E

$10.97

COMP Cams Valve Spring Shim, Steel, Hardened, 1.480 in. OD, .765 in. ID .060 in. Thick, Set of 16

COMP Cams Valve Spring Shim, Steel, Hardened, 1.480 in. OD, .765 in. ID .060 in. Thick, Set of 16

$25.76

Crow Cams SHIM 1.640" x .640" x .015"

Crow Cams SHIM 1.640" x .640" x .015"

$3.27

COMP Cams Valve Spring Shim, Steel, Hardened, 1.500 in. OD, .645 in. ID .030 in. Thick, Set of 16

COMP Cams Valve Spring Shim, Steel, Hardened, 1.500 in. OD, .645 in. ID .030 in. Thick, Set of 16

$25.76

Crow Cams 1.25" x.812"x .060" HARD SHIM

Crow Cams 1.25" x.812"x .060" HARD SHIM

$2.09