Or as Ray Currie of Currie Enterprises put it ... When they were being built by Ford, 9-inch axles were intended to be used as rear axles only. Junkyard shoppers, take note.

With the dwindling supply of original Ford parts, the Currie clan bit the bullet and made the investment necessary to produce an all-new 9-inch. A variety of new axle housings are available ...

The Ford 9-inch housings are favored by many fabricators ... from a variety of housing builders, such as Currie Enterprises, Diamond Axles, Mad 4x4, Spidertrax, and Sunray Engineering.

The 9-inch's pinion gear is supported in three places instead of two in the 12-bolt. Ford has long offered a greater selection of axle ratios, as well. Currie Enterprises offers a selection of ...