Duramax Hummer Differentials

These custom designed sheet metal housings for H1 Hummer and HMMWV® create the narrowest 9” differential assembly available. The 35 spline billet chromoly output shafts incorporate Hummer the cv flange bolt pattern. The housing will accept any Ford 9” third member, including: units up to a 10” promod ring and pinion set. The billet bearing supports incorporate a modular mounting system that not only makes installation simple but can also be modified to be adapted for many applications.

This is the strongest differential setup you can put in an H1 Hummer and can support over 1000hp and 1800ftlb of torque.

Base unit comes with a nodular iron third member 2.73:1 ring and pinion and auburn pro posi differential with a 1350 yoke.

Must be used in conjunction with XHP portable box brake kit.

OEM style inboard brakes will not work with this housing. Contact us for options on your third member and traction device.