Dart valve spring shims provide equality for your valve springs! Their shims will allow you to precisely adjust the installed height of each spring until they are all equal. Obtain proper spring install height and tension with Dart valve spring shims.

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

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MANLEY Valve Spring Shims, Hardened, Steel, 1.500 O.D, .015 in. Thick, Each

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MANLEY Valve Spring Shims, Hardened, Steel, 1.250 O.D, .030 in. Thick, Set of 50

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COMP Cams Valve Spring Shim, Steel, Hardened, 1.250 in. OD, .814 in. ID .030 in. Thick, Set of 16

COMP Cams Valve Spring Shim, Steel, Hardened, 1.250 in. OD, .814 in. ID .030 in. Thick, Set of 16

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MANLEY Valve Spring Shims, Hardened, Steel, 1.437 O.D, .015 in. Thick, Each

MANLEY Valve Spring Shims, Hardened, Steel, 1.437 O.D, .015 in. Thick, Each

$1.40

Crow Cams 1.25"x.5 x .030" STD SHIM

Crow Cams 1.25"x.5 x .030" STD SHIM

$2.73