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 ...

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 ...

Detailing a rear axle is a major part of a Mustang concours restoration, right up there with the engine and the front suspension in complexity. There are so many parts, colors, codes, machined ...

Currie Enterprises' new Apex Floater is a true full-float 9-inch rearend. This SEMA 2025 debut uses C7 unit bearings to add ...

Sooner or later, it boils down to what direction you're going to go when your Mustang's rear axle wears out. Some decisions are straightforward. If you have a six-cylinder Mustang, stick with the ...

Ford F100 9 Inch Gear Oil Change plus all the seals and one axle bearing. This escalated quick. Mistakes were made and my camera decided to error out and I lost some footage AND a lot of audio!