Production of the Ford 9-inch axle began in 1957 and ended in 1986 when it was replaced with the 8.8-inch integral carrier rearend. GM didn't produce as many 12-bolt axles during its shorter ...

When the Ford 9-inch axle originally appeared in 1957 under the Fairlane and F-100 pickup truck, ... The use of a removable pinion support and spanners instead of carrier shims makes gear setup easy.

For over half a century, the Ford 9-inch rearend has been the king of aftermarket axle upgrades. ... However, it does require an aftermarket third member, carrier, ...

Despite the dwindling supply of salvaged 9-inch rearends ... Currie also used nodular iron in the double-ribbed carrier cap. Ford used gray iron in all its single ribbed caps, even on the factory ...

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 ...