Starter Motor Bolts and Shim Set Only also known as the GM

also known as the GM 8

These housings can be flipped 180 degrees for either a left or right outlet location

are molded from a high-quality

Speedmaster CNC ported cylinder heads are machined on dedicated 5-axis CNC machines to ensure accuracy and better flow

or better known to mechanics as the IAC

Starter Motor Bolts and Shim Set Only also known as the GMSpeedmaster starter shim kits are designed to ensure that you have the proper gap between the starter and flywheel. These kits help to eliminate any noise or unnecessary grinding that may cause your starter to prematurely wear. These kits include the necessary shims and hardware to reinstall your starter.