Buick GS AOD Interior, Accessories and Trim Parts

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

Follow this visual guide on installing spacer rings for Buick style finned brake drums to help center the drum on the hub. Learn some tips on using old and new parts for the installation.

Tim explains the process of adjusting Buick Finned Drums to fit Speedway's self-energizing backing plate assembly.

In this Tech Tip, John answers a customer question about the Speedway Motors fiberglass T-Bucket kit bodies, and the potential need for reinforcement.

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.

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

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.

In this Tech Tip, John talks about what can be expected when converting to suicide doors.

Steve provides a step-by-step guide to install the Speedway Motors GM 10-Bolt Polished Finned Aluminum Rear End Cover.

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