Buick GS Control Modules

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

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

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.

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

In this Tech Tip, John responds to a customer question about tubular control arms.

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!

Save some weight by swapping in some upgraded control arms! Employee Steve L. reviews the 1970-81 Camaro Upper Control Arm.

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.

Looking for a cost effective way to upgrade the front of your car? This article shows the steps to replace upper and lower stock control arms with tubular control arms for added suspension strength.

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