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 ...

With over a century of 4x4 truck history, there’s been a lot of time for innovation. Light trucks use one fixed and one steering axle to drive four tires. Over the decades, changes have been made to ...

Drag racing is a brutal sport. Launching a car on a sticky track is hard on drivetrains and losing is hard on egos. If something breaks, not only does it hurt your wallet—it means you’re loading up ...