Why would 4x4 owners want to do this? South Bay Truck & 4x4 in Hawthorne, California, tells us that for most owners it’s a concern about the drag of the drivetrain. Fuel economy is increased and wear ...

The unit bearing was a great engineering breakthrough. Imagine the time it once took to set up and properly adjust the front hub bearings on big Ford and Dodge 4x4 trucks on the assembly line. A unit ...