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 ...

A fundamental part of any muscle car is a nice, strong rearend fitted with a limited slip or Posi unit. What good is it to make gobs of horsepower if you can only do one wheel burnouts or if the diff ...