The Ford 9" is easily recognizable as one of the most popular differentials of all time, both famous and infamous. Coming as a relatively potent package out of Detroit, the 9" receives it's share of criticism from those that rely much more on the factory components than it was designed to deliver.

Using specific and key components with careful and meticulous prodecures, the vulnerable 9" can easily exceed the expectations and demands most could ever put on thier automotive drive train.

1 = smallest diameter 
2 = biggest diameter