1971 Dodge Pick-up Truck Differential Carrier D300 Pickup - Dana 60 - Yukon Grizzly Locker - 30 Spline - 4.56 And Up - w/ Full Float Axle - Rear guaranteed to replace your current 1971 Dodge Pick-up Truck Differential Carrier D300 Pickup - Dana 60 - Yukon Grizzly Locker - 30 Spline - 4.56 And Up - w/ Full Float Axle - 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 - Dana 60 - Yukon Grizzly Locker - 30 Spline - 4.56 And Up - w/ Full Float Axle - Rear.