The Ford 9.000-inch ring gear has a size advantage over the 12-bolt's 8.875-inch ring gear, though not by that much. The Ford's larger ring gear, in addition to its greater offset relative to the ...

Check out Part I of Nine-Inch, Nailed taking a look at the famous Ford 9-inch Axle! Learn all about this amazing off road axle in this months issue of Off-Road Magazine!