COMP Cams 1.250" O.D. Spring Shim Kit 34012R spring can be preloaded to

spring can be preloaded to 400 lbs

Aluminum spacers feature a threaded body that may be adjusted as needed to locate top link between mounting brackets

Eliminated eccentric bolt movement and deflection

3/8-24 in Inverted Flare Male

Cutout Template For InstrumentsAuto Meter Gauges are the number one choice of professional racers worldwide

COMP Cams 1.250" O.D. Spring Shim Kit 34012R spring can be preloaded toThis 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 .