COMP Cams 1.250" O.D. Spring Shim Kit 34012R Eliminated eccentric bolt movement and

Eliminated eccentric bolt movement and deflection

2003-2005 Freightliner XB Line

1979-1982 Chrysler New Yorker

GM 1967-88

COMP Cams 1.250" O.D. Spring Shim Kit 34012R Eliminated eccentric bolt movement andThis shim kit contains . 015", . 030" and . 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. This COMP shim kit includes a number of 1. 250" diameter shims of various thickness. This kit includes 16 . 015" thick shims, 16 .