Distributor Gear Shim Kit

Allows precise adjustment of distributor shaft end play to improve timing accuracy and reduce gear wear. Works with Moroso GM Accel MSD Chrysler and other distributors with 1/2'' diameter shaft. Includes two .010'' shims two .020'' shims and one .053'' shim. Allows precise adjustment of distributor shaft end play to improve timing accuracy and reduce gear wear. Works with Moroso GM Accel MSD Chrysler and other distributors with 1/2'' diameter shaft. Includes two .010'' shims two .020'' shims and one .053'' shim.