These COMP Cams .015" thick spring shims have a 1.250" outside diameter and a .814" inside diameter to equalize installed valve spring height. Made from high-quality, heat-treated shim stock to withstand aggressive cam lobe profiles, the shims provide a durable means to fine-tune spring installed height and are offered individually or in kits.
COMP Cams Spring Shim .015 X 1.250