GM B-Body Antennas and Cables

Speedway Motors employee Jess M. talks about the custom battery tray and cables she built for her '33 Ford.

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

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

Are your gauges reading erratically or does your car run out of power at high rpm? It may be the cause of a bad ground. Speedway Motors can show you how to diagnose and fix the problem in no time at all!

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.

Testing a 2 or 3 wire speed sensor sounds difficult, but these videos show that it actually is quite easy!

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

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.

Wiring a car may seem like a daunting process, but Jess explains the steps to successfully wire the ignition switch, headlight switch, and the dash gauges.

Hose & Fitting