Dodge Differential Bearings and Seals

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

The pros and cons of a welded diff vs open diff, plus what to know before learning how to weld your differential.

A brief overview of the steps Speedway Motors takes to ensure you get a quality differential.

A short article explaining the main differences between open and limited slip differentials.

GM’s 10-bolt rear axle has been around since the 1960s, here’s how to determine if your junkyard find is worth taking home

Read up on GM 10 bolt ring and pinion installation instructions. Follow along as our employee Zach installs a GM 10 bolt rebuild kit from Motive Gear.

Take your crate motor racing to the next level with these tricks and tips that won't get you in hot water with tech officials!

Lucas P. explains how to choose the correct part for a Ford 9" third member build in order to achieve a bulletproof rear. You will find specific recommended parts to use from Speedway Motors.

How to clean and seal your old tank

In this Tech Tip, John responds to a customer looking to upgrade the 8” stock differential in his Cougar to a 9” open diff.