G-Body Differentials

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.

GM’s 10-bolt rear axle has been around since the 1960s, here’s how to determine if your junkyard find is worth taking home

Learn what gear oils do for your differential and how to choose the best gear lubricant for your application's needs

A short article explaining the main differences between open and limited slip differentials.

A brief overview of the steps Speedway Motors takes to ensure you get a quality differential.

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

Here's a handy guide to familiarize you with our G-Comp line of performance suspension systems.

Step by Step instructions for the G-Comp front suspension install for a 67-69 Chevy Camaro.

Step by step guide to the installation of the G-Comp front suspension.

Step by Step guide to installing a G-Comp front suspension on your Nova.