1976 Dodge B300 Differential Rebuild Kit Dana 70U Rear - Differential Rebuild Kit - Koyo Bearings - w/ HM803110/ HM803149 Inner Pinion Bearing (3.500 in. OD Race) - 382S/ 387A Carrier Bearings - Rear guaranteed to replace your current 1976 Dodge B300 Differential Rebuild Kit Dana 70U Rear - Differential Rebuild Kit - Koyo Bearings - w/ HM803110/ HM803149 Inner Pinion Bearing (3.500 in. OD Race) - 382S/ 387A Carrier Bearings - Rear. 1976 Dodge B300 Differential Rebuild Kit comes new OEM 1976 Dodge B300 Differential Rebuild Kit aftermarket new 1976 Dodge B300 Differential Rebuild Kit of remanufactured 1976 Dodge B300 Differential Rebuild Kit Dana 70U Rear - Differential Rebuild Kit - Koyo Bearings - w/ HM803110/ HM803149 Inner Pinion Bearing (3.500 in. OD Race) - 382S/ 387A Carrier Bearings - Rear.