BD Differential Cover Rear - Dodge 2013-2018 2500 AAM 14-Bolt w/RCS 1991 Heavy cast HiSi Ductile Iron

Heavy cast HiSi Ductile Iron retains heat energy

the SuperMax creates enough airflow for more power

Low EGTs with more than a 100hp increase

Designed for Borg Warner SX-E T4 installs on the Cummins 5

BD Differential Cover Rear - Dodge 2013-2018 2500 AAM 14-Bolt w/RCS 1991 Heavy cast HiSi Ductile IronBD's design deflects the oil back onto the ring gear and into the pinion gear for cooler longer life. Other differential covers are large and bulky resulting in lubricating oil being flung off the ring gear causing addition heat and or wear. Engineered cover design keeps oil on the gears Deflects oil back onto the ring gear and into the pinion gear for cooler longer life Extra capacity sump located at bottom for gears to pick up oil Internal and