The Chevy 12-bolt axle shaft (left) is tapered; the Ford 9-inch shaft is the same diameter throughout its length, except for the short section just after the spline end. This makes it easy to narrow ...

Currie created a full-floating 9-inch rearend with modern features. Its Apex Floater uses C7-style bearing ends that unburden ...

Everyone likes to brag about their axles. Whether you've custom-built a bulletproof Trophy Truck-style unit or you've simply bolted on a stout differential cover, we're betting that most of you have ...

When it came time to lower the rear of our 1969 Ford F-100 project, we knew it was only best to drop the rearend and at least do a quickie "garage floor" rebuild before flipping the springs and ...

Customer:"Hello? I'd like to buy an axleshaft for my Ford 9-inch rear axle." Salesperson:"No problem. Do you know what length, spline count, and wheel-bolt pattern you need?" Customer:"I really don't.