B&M G-Body Powerglide Parts

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.

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

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!

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.

Speedway Motors employee Steve upgraded the trailing arms on his 1976 Chevrolet Laguna with some spherical bushings.

Choosing new wheels for a GMC Chevrolet truck. This project uses Speedway Motors GM Rally Wheels and new tires to enhance the appearance of the truck.

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.

These Omega Avant-series gauges from Speedway Motors were inspired by the deco masterpieces in cars like the Lincoln Zephyr and Coffin-nosed Cord. They will look right at home in your 30’s or 40’s street rod, hot rod, or custom.