Differential Cover Rear Dana 70 Dodge 1981-1993 2500/3500 & 1994-2002 2500 Auto 1991 By installing a CP3 with

By installing a CP3 with the BD conversion kit

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From stock hp levels

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BD custom 4in cold air intake with 8in OD high-flow velocity stacked filter

Differential Cover Rear Dana 70 Dodge 1981-1993 2500/3500 & 1994-2002 2500 Auto 1991 By installing a CP3 withBD'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