GM X-Body Frame

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

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

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

This article guides you through the process of repairing and painting a subframe for a 1967 Poncho Firebird. See how the front suspension gets an overhaul including new G-comp spindles and a disc brake kit.

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.

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

Speedway Motors announced today they will debut their new GM Metric G-Body Frame Rail Kits alongside new racing products in their booth (#4101) at the 2024 PRI Show Dec. 12-14 in Indianapolis, Ind.

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

Learn how replace lower and upper rear control arms. Read up on racer Steve's A-body control arm replacement and the bushings included kit he recommends.