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, Th350, Th350C, 4L60, 4L60/70-E

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

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COMP Cams Valve Spring Shim, Steel, Hardened, 1.480 in. OD, .765 in. ID .030 in. Thick, Each

COMP Cams Valve Spring Shim, Steel, Hardened, 1.480 in. OD, .765 in. ID .030 in. Thick, Each

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