Without a doubt, Ford's 9-inch axle assembly has been the No. 1 choice for a performance rearend for a long time. The reasons were obvious enough—they were strong, plentiful, and affordable. A wide ...

Let's look at one of the simplest steps in assembling a hot rod chassis: the build-up and installation of a Ford 9-inch rearend with axles and brakes. This can be broken down further into two ...

A recently granted patent (Publication Number: US11885404B2) discloses a differential housing designed for a vehicle's differential unit. The housing features a peripheral wall with a tubular shape ...

It’s no secret that traction is the cornerstone of any vehicle’s off-road prowess. If the engine’s torque doesn’t get to the tires, all the power and suspension upgrades in the world are of little ...

If you ever need to track someone’s 4x4 off-road, it’s easy if the rear diff under said rig is a stock GM “Corporate” 14-bolt: just look for the drag mark plowed down the center of the trail or the ...

We earn commissions from purchases you make using links in our articles. Learn more. Most of the time, it’s unnecessary to give your vehicle’s differential cover a second thought; the technology has ...