The last factory passenger car 12-bolt probably rolled off the assembly line under a Chevelle or Monte Carlo nearly 40 years ago. While cars and hemlines have changed many times, the GM 12-bolt is ...

The first things you'll need to set up a rearend are the basic rebuild parts, such as new bearings, seals, shims, bolts, a crush sleeve and a nut. We used Reider Racing's "full" installation kit for ...

When it comes to gears and rears, many concentrate on the high-end, bulletproof differential and axles-and for good reason. When it comes to the transfer of horsepower and torque, a vehicle's rear ...

An easy yet hardly inexpensive solution would be to look for a four-door JK. We could spend $25,000-$40,000 on a used JK Unlimited, swap in heavy-duty drivetrain, and dream about engine swaps, but we ...