COMP Cams 1.500" O.D. Spring Shim Kit HSXSC11 Available with FIA 8860-2018 or

Available with FIA 8860-2018 or 8859-SA2020 approvals

Interchangeable black and silver bezels included

Blower Memory Kit

heat treated forged components

COMP Cams 1.500" O.D. Spring Shim Kit HSXSC11 Available with FIA 8860-2018 orThis shim kit contains . 015", . 030" and . 060" thick Valve Spring Shims with 1. 500" outside diameter and . 645" 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. This COMP shim kit includes a number of 1. 500" diameter shims of various thickness. This kit includes 16 . 015" thick shims, 16 .