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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QA1 Shock Valve Shim, .827in. Outside Diameter, .012in. Thick, 8mm x 21mm x .300mm, Steel, Set of 8

QA1 Shock Valve Shim, .827in. Outside Diameter, .012in. Thick, 8mm x 21mm x .300mm, Steel, Set of 8

$14.58

QA1 Shock Valve Shim, .750in. Outside Diameter, .010in. Thick, 8mm x 19mm x .250mm, Steel, Set of 8

QA1 Shock Valve Shim, .750in. Outside Diameter, .010in. Thick, 8mm x 19mm x .250mm, Steel, Set of 8

$14.58

QA1 Shock Valve Shim, .670in. Outside Diameter, .008in. Thick, 8mm x 17mm x .200mm, Steel, Set of 8

QA1 Shock Valve Shim, .670in. Outside Diameter, .008in. Thick, 8mm x 17mm x .200mm, Steel, Set of 8

$14.58

QA1 Shock Valve Shim, 1.300in. Outside Diameter, .006in. Thick, 10mm x 33mm x .150mm, Steel, Set of 8

QA1 Shock Valve Shim, 1.300in. Outside Diameter, .006in. Thick, 10mm x 33mm x .150mm, Steel, Set of 8

$10.75

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

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

$1.29

QA1 Shock Valve Shim, 1.300in. Outside Diameter, .015in. Thick, 10mm x 33mm x .400mm, Steel, Set of 8

QA1 Shock Valve Shim, 1.300in. Outside Diameter, .015in. Thick, 10mm x 33mm x .400mm, Steel, Set of 8

$10.75