Pitching the stock differential out from under a GM car in favor of a 9-inch Ford has always been the best way to step up the drivetrain for drag racing. Since the price of used 12-bolts has ...

Currie Enterprises offers dozens of variations of Ford 9-inch housings. The polished-aluminum housing (shown) measures 7 inches deep and 20 inches wide. Available polished or natural, the housing ...

From what we've gathered, we know for sure that this will be a housing shorter than the 12-inch tall Track 9 housings Currie's been using in off-road applications. It is made from four pieces of plate ...