1st Gen G-Body Lowered Parts

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

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!

Have a 1970-1994 GM A- or X-body in need of some new lower control arms? Take a look at what Speedway Motors' employee Steve L. has to say about our lower control arms!

Worried about a weak ball joint? We have the fix!

Learn how to lower a hot rod by modifying the axles and some history behind early hop ups. This project features a Ford axle with wishbones for a Model A.

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.

A guide on identifying early Chrysler, Dodge, and Desoto hemi engines. In this two part guide, you will learn how to identify these engines and some history on what has become a legendary engine for hot rodding and racing.