COMP Cams 1.640" O.D. Spring Shim Kit 42046 Tachometer Mounting Base

Tachometer Mounting Base

3 L Engine

Dual 6 AN Female O-Ring Outlets

These shocks have maintained their ability to provide the highest levels of performance from a fixed valve twin-tube shock by evolutionary improvements in production methods and component design

With countless wins in magazine comparison tests

COMP Cams 1.640" O.D. Spring Shim Kit 42046 Tachometer Mounting BaseThis shim kit contains . 015", . 030" and . 060" thick Valve Spring Shims with 1. 640" outside diameter and . 635" . 650" 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. 640" diameter shims of various thickness. This kit includes 16 . 015" thick shims,