Comp Cams .060 X 1.250 Spring Shim Xtrusion Overland Our upper and lower arms

Our upper and lower arms are designed with 1” stainless steel uniballs for the outer pivots instead of ball joints for strength and increased articulation

Sierra SLT 1994 - 1998 GMC C2500 Sierra SL

Custom Deluxe 1968 - 1974 Chevrolet C10 Pickup Base 1968 - 1974 Chevrolet C10 Suburban Base 1975 - 1980 Chevrolet C10 Suburban Scottsdale

Built for enthusiasts who want OEM-plus style with a bit more attitude

It offers advanced features typically found in high-end ECUs—at a fraction of the price

Comp Cams .060 X 1.250 Spring Shim Xtrusion Overland Our upper and lower armsSpring Shims: . 060" Thickness, 1. 250" O. D., . 814" I. D. These . 060" thick Valve Spring Shims with 1. 250" outside diameter and . 814" inside diameter are used to equalize the installed height of valve springs. Made from the highest quality shim stock, these shims are heat treated to stand up to radical cam lobes. Kits are also available.