Backlash, pinion depth, tooth pattern, pinion and carrier-bearing preload—what does it all mean? When used in reference to an automobile, these terms usually apply to the rearend (or differential) and ...

A differential plays an essential role in pushing or pulling a car in a straight line and efficiently and comfortably moving it through a corner. Basically, it’s a device that allows two sides of an ...

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 ...

One of the most significant performance modifications you can make to a 4x4 to increase off-road prowess is the addition of a traction-adding device. Or better yet, two. Traction-adding devices ...