1971 Dodge B300 Van Ring and Pinion Set Dana 70 Rear - Ring and Pinion Set - 5.86 Ratio - 5/8 in. Offset - 29 Spline Pinion - Fits 4 Series 4.56 & Up Carrier - Rear guaranteed to replace your current 1971 Dodge B300 Van Ring and Pinion Set Dana 70 Rear - Ring and Pinion Set - 5.86 Ratio - 5/8 in. Offset - 29 Spline Pinion - Fits 4 Series 4.56 & Up Carrier - Rear. 1971 Dodge B300 Van Ring and Pinion Set comes new OEM 1971 Dodge B300 Van Ring and Pinion Set aftermarket new 1971 Dodge B300 Van Ring and Pinion Set of remanufactured 1971 Dodge B300 Van Ring and Pinion Set Dana 70 Rear - Ring and Pinion Set - 5.86 Ratio - 5/8 in. Offset - 29 Spline Pinion - Fits 4 Series 4.56 & Up Carrier - Rear.