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PAC Racing Valve Spring Shims

5.0 out of 5 stars 9 Customer Reviews

To help achieve the correct, and critical, valve spring installed height for your project, use PAC Racing valve spring shims. These hardened spring shims are available in a wide variety of inside diameters, outside diameters, and thicknesses to best suit your engine's needs.

Results 1 - 22 of 22

Valve Spring Shims, Hardened, 1.5 in. O.D., 0.570 in. I.D., .015 in./.020 in./.030 in./.050 in. Thick, Set of 64

Part Number: RSC-PAC-KS94

5.0 out of 5 stars ( 6 )

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Valve Spring Shims, Hardened, 1.250 in. O.D., 0.570 in. I.D., .015 in./.020 in./.030 in./0.50 in. Thick, Set of 64

Part Number: RSC-PAC-KS93

5.0 out of 5 stars ( 2 )

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Valve Spring Shims, Hardened, 1.5 in. O.D., 0.570 in. I.D., 0.050 in. Thick, Each

Part Number: RSC-PAC-S184

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Valve Spring Shims, Hardened, 1.5 in. O.D., 0.570 in. I.D., 0.020 in. Thick, Each

Part Number: RSC-PAC-S186

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Valve Spring Shims, Hardened, 1.5 in. O.D., 0.570 in. I.D., 0.015 in. Thick, Each

Part Number: RSC-PAC-S187

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Valve Spring Shims, Hardened, 1.25 in. O.D., 0.570 in. I.D., 0.050 in. Thick, Each

Part Number: RSC-PAC-S188

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Valve Spring Shims, Hardened, 1.5 in. O.D., 0.570 in. I.D., 0.030 in. Thick, Each

Part Number: RSC-PAC-S185

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Valve Spring Shims, Hardened, 1.25 in. O.D., 0.570 in. I.D., 0.030 in. Thick, Each

Part Number: RSC-PAC-S189

5.0 out of 5 stars ( 1 )

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Valve Spring Shims, Hardened, 1.5 in. O.D., 0.645 in. I.D., 0.020 in. Thick, Each

Part Number: RSC-PAC-S194

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Valve Spring Shims, Hardened, 1.25 in. O.D., 0.570 in. I.D., 0.020 in. Thick, Each

Part Number: RSC-PAC-S190

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Valve Spring Shims, Hardened, 1.25 in. O.D., 0.570 in. I.D., 0.015 in. Thick, Each

Part Number: RSC-PAC-S191

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Valve Spring Shims, Hardened, 1.5 in. O.D., 0.645 in. I.D., 0.050 in. Thick, Each

Part Number: RSC-PAC-S192

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Shims - 1.620 - 0.050 thick

Part Number: RSC-PAC-S196

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Shims - 1.620 - 0.020 thick

Part Number: RSC-PAC-S198

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Shims - 1.500 - 0.030 thick

Part Number: RSC-PAC-S193

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Shims - 1.620 - 0.030 thick

Part Number: RSC-PAC-S197

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Estimated Ship Date: Dec 4, 2025 if ordered today

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Shims - 1.620 - 0.015 thick

Part Number: RSC-PAC-S199

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Estimated Ship Date: Dec 4, 2025 if ordered today

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Shim Kit - 1.620 Diameter (64 pcs total)

Part Number: RSC-PAC-KS91

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Estimated Ship Date: Dec 4, 2025 if ordered today

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Shims - 1.500 - 0.015 thick

Part Number: RSC-PAC-S195

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Estimated Ship Date: Dec 4, 2025 if ordered today

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0.015" Spring Shim 1.040" O.D.

Part Number: RSC-PAC-S181

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0.020" Spring Shim 1.040" O.D.

Part Number: RSC-PAC-S182

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Estimated Ship Date: Dec 4, 2025 if ordered today

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0.030" Spring Shim 1.040" O.D.

Part Number: RSC-PAC-S183

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Estimated Ship Date: Dec 4, 2025 if ordered today

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