Shop now for Differential Parts: Factory Open Differentials to fit 1994-2002 Dodge Ram 2500 trucks with Dana 70 Rear Axles. Great selection. In stock. Quick shipping.
The 32 spline Dodge Dana 70 Open Differential is adequate for stock or near stock engine horsepower. As power increases, the chances of gear breakage increase substantially. If you are planning an axle ratio change, you need to keep in mind the ring gear offsets are different for 4.10 and numerically lower ratios and 4.56 and numerically higher ratios. So if you are changing from a 4.10 to 4.56 or vice-versa, you MUST change the diff case! The internal parts are the same, but the ring gear flange on the diff case (carrier) is closer to the pinion on the 4.56-up cases.
