A common cross-type, single U-joint loses strength as the driveline angle increases. The installation of a suspension lift kit prompts the need for a heavy-duty, constant-velocity (CV) rear driveline.

XJ Jeep Cherokees, with their unibody construction and boxy looks, have a serious cult following. It's no wonder—they work well on- and off-road, and are built with some great components right from ...