King Bearings 1st Gen GM F-Body Parts

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

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

Learn more about GM steering column identification, GM steering column lengths, and GM steering column compatibility.

Our Tech Expert installs an F1 steering box in his roadster to give the steering a traditional feeling. Follow his process from testing fit to welding.

In this Tech Tip, a customer asked about finding a set of disc brakes for his 1949 Ford F1 pickup, with one caveat. He wants to use the factory wheels.

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.

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 how to swap out an LS engine with a modern fuel injected engine into a hot rod for added horsepower, fuel economy, or throttle response. View a list of parts and helpful tips to complete the installation.

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!

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.