1963 Dodge Pick-up Truck Differential Rebuild Kit D300 Series - Dana 70 HD Rear - Differential Rebuild Kit - Timken Bearings - w/ HM807010/ HM807040 Inner Pinion Bearing (4.125 in. OD Race) - 453X/ 469 Carrier Bearing & Race - Rear guaranteed to replace your current 1963 Dodge Pick-up Truck Differential Rebuild Kit D300 Series - Dana 70 HD Rear - Differential Rebuild Kit - Timken Bearings - w/ HM807010/ HM807040 Inner Pinion Bearing (4.125 in. OD Race) - 453X/ 469 Carrier Bearing & Race - Rear. 1963 Dodge Pick-up Truck Differential Rebuild Kit comes new OEM 1963 Dodge Pick-up Truck Differential Rebuild Kit aftermarket new 1963 Dodge Pick-up Truck Differential Rebuild Kit of remanufactured 1963 Dodge Pick-up Truck Differential Rebuild Kit D300 Series - Dana 70 HD Rear - Differential Rebuild Kit - Timken Bearings - w/ HM807010/ HM807040 Inner Pinion Bearing (4.125 in. OD Race) - 453X/ 469 Carrier Bearing & Race - Rear.