Pontiac GM 8.875 Inch 12-Bolt Car Steering Parts

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

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

Not sure which steering wheel adapter is right for your project? The experts have you covered with this chart detailing Grant-3 Bolt , GT-3, and GT-9.

Steve takes us along as he centers the 525 manual steering gear he is using for his Laguna.

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.