1971 Dodge Pick-up Truck Differential Carrier D300 Pickup - Yukon Dura Grip positraction - Dana 60 Rear - 35 spline - Full Float Axle, 4.10 and Down Ratio or Thick Gears - Rear guaranteed to replace your current 1971 Dodge Pick-up Truck Differential Carrier D300 Pickup - Yukon Dura Grip positraction - Dana 60 Rear - 35 spline - Full Float Axle, 4.10 and Down Ratio or Thick Gears - Rear. 1971 Dodge Pick-up Truck Differential Carrier comes new OEM 1971 Dodge Pick-up Truck Differential Carrier aftermarket new 1971 Dodge Pick-up Truck Differential Carrier of remanufactured 1971 Dodge Pick-up Truck Differential Carrier D300 Pickup - Yukon Dura Grip positraction - Dana 60 Rear - 35 spline - Full Float Axle, 4.10 and Down Ratio or Thick Gears - Rear.