The Ford Racing M220 rear axle assembly for the 2021 Ford Bronco includes a 4.46 gear ratio with an electronic locking differential and ships with the rear upper axle bushing kit components required for installation. The package aligns axle gearing for swap or upgrade projects and includes the same bushing kit items Ford Racing supplies with its 8.8 axle assemblies to simplify fitment and installation.
Ford Racing 2021 Ford Bronco M220 Rear Axle Assembly - 4.46 Ratio w/ Electronic Locking Differential