Pitching the stock differential out from under a GM car in favor of a 9-inch Ford has always been the best way to step up the drivetrain for drag racing. Since the price of used 12-bolts has ...

The now-standard Ford 9-inch rearend gives you a "means business" aura. It's strong, it looks good, there are endless new and used parts available for it and, most importantly, people think you're ...

For over half a century, the Ford 9-inch rearend has been the king of aftermarket axle upgrades. Few other axles enjoy the same amount of bolt-on and custom componentry. The Ford 9-inch is a great ...

Installing new gears and differentials is one of those jobs that even skilled mechanics and fabricators typically don't like to tackle at home for many reasons. Setting up gears requires specialized ...