1971 Dodge Pick-up Truck Ring and Pinion Set W200 Pickup - Chrysler 8.75 in. Rear - w/ 489 Case Housing - Ring and Pinion Set - 4.56 Ratio - 29 Spline Pinion - 1.875 in. Diameter Pinion Bearing Journal - Rear guaranteed to replace your current 1971 Dodge Pick-up Truck Ring and Pinion Set W200 Pickup - Chrysler 8.75 in. Rear - w/ 489 Case Housing - Ring and Pinion Set - 4.56 Ratio - 29 Spline Pinion - 1.875 in. Diameter Pinion Bearing Journal - Rear. 1971 Dodge Pick-up Truck Ring and Pinion Set comes new OEM 1971 Dodge Pick-up Truck Ring and Pinion Set aftermarket new 1971 Dodge Pick-up Truck Ring and Pinion Set of remanufactured 1971 Dodge Pick-up Truck Ring and Pinion Set W200 Pickup - Chrysler 8.75 in. Rear - w/ 489 Case Housing - Ring and Pinion Set - 4.56 Ratio - 29 Spline Pinion - 1.875 in. Diameter Pinion Bearing Journal - Rear.