GM B-Body Buick 3.2 Parts

Decode, ID, and upgrade your GM 12-bolt rear end. Learn axle specs, gear ratios, and best performance parts upgrades.

Need a little help Identifying GM Body Styles 1964-1972? Click Here!

In this budget build, a GM rear end is upgraded in order to hold 400+ HP. See how spherical bushings are replaced in a used 8.5” GM 10 bolt rear end.

Learn how to swap out an LS engine with a modern fuel injected engine into a hot rod for added horsepower, fuel economy, or throttle response. View a list of parts and helpful tips to complete the installation.

Learn about the power behind the G-body platform and the steps to upgrade a 7.5" bolt rear end to a 8.5" to withstand high horsepower. See how to change the differential fluid and install new gaskets.

Learn about GM alternator identification in our guide. We cover GM 3 wire alternators, 1 wire alternators, and externally regulated so you know what to choose.

Tips and tricks to pull the most from your GM 602/604 platform.

Learn a few tips on how to properly mount Modified bodies and some products that will help get your race car body fabrication job done!

This Corvette comes from humble beginnings, but it's a serious contender on the track.

In this Tech Tip, John offers up a couple solutions to a customer wanting the best electric option to fuel his project.