1977 Dodge B300 Differential Carrier RWD - Yukon Dura Grip Positraction - Dana 60 - 35 spline - 4.56 and Up - 4 Pinion Design - w/o C-clips - Rear guaranteed to replace your current 1977 Dodge B300 Differential Carrier RWD - Yukon Dura Grip Positraction - Dana 60 - 35 spline - 4.56 and Up - 4 Pinion Design - w/o C-clips - Rear. 1977 Dodge B300 Differential Carrier comes new OEM 1977 Dodge B300 Differential Carrier aftermarket new 1977 Dodge B300 Differential Carrier of remanufactured 1977 Dodge B300 Differential Carrier RWD - Yukon Dura Grip Positraction - Dana 60 - 35 spline - 4.56 and Up - 4 Pinion Design - w/o C-clips - Rear.