These COMP Cams .015" spring shims have a 1.480" outside diameter and .765" inside diameter to equalize the installed height of valve springs. Made from high-quality, heat-treated shim stock to stand up to radical cam lobes, the shims provide a straightforward, durable method to fine-tune spring seating across all cylinders during assembly or service.
COMP Cams Spring Shims .015 X 1.480