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 ...

From the archives: Legendary tech guru Marlan Davis explains why the 9-inch Ford is the strongest rearend out there—it’s all due to “hypoid distance.” To celebrate HOT ROD's 75th anniversary, we ...

Customer:"Hello? I'd like to buy an axleshaft for my Ford 9-inch rear axle." The Ford 9-inch axle is one of the most versatile drivetrain parts ever created. As an OEM component, the 9-inch was used ...

There was a time when you had to know about a well-stocked junkyard to find a 9-inch Ford rearend for a vintage Mustang. Even then, finding a 9-inch rear axle that fit wasn't easy because only a small ...