COMP Cams Valve Spring Shim Sets .030" Thick 1.437" OD 0.645" ID

COMP Cams Valve Spring Shim Sets — .030" Thick, 1.437" OD, 0.645" ID Brand: COMP Cams Restore precise valve-spring installed height and ensure consistent valve train performance with these premium .030" thick valve spring shims. Engineered for high-performance and street applications, each shim features a 1.437" outside diameter and a 0.645" inside diameter for reliable fitment. Thickness: .030" — ideal for fine height adjustments Outer Diameter: 1.437" (36.5 mm) Inner Diameter: 0.645" (16.4 mm) Material: High-quality, heat-treated shim stock for durability Purpose: Equalize installed spring height, prevent spring bind and retain proper spring pressure Built to withstand aggressive cam profiles and repeated high-RPM cycles, these shims resist deformation and maintain consistent spring geometry. Choose COMP Cams shims for proven durability and precise valve train setup. Kits and additional sizes are available for complete engine builds.