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 ...

It is easier to keep an inventory of Ford 9-inch third members on the shelf with various axle ratios if you're racing and need to change gear ratio. Gear swaps in a 12-bolt are time consuming ...

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 ... differential and gear-ratio options.

The now-standard Ford ... gear pattern and then rechecked afterward. Richmond gearsets are prechecked and engraved with the ideal backlash on the outer edge of the ring gear. Our spec was .010 inch.

the 9-inch Ford's hypoid distance is greater than popular competitors, most of which are at 1.5 inches or even less. According to Hoosier Gear's Bill Vandevord, this means the Ford may have as ...