1985 Chevrolet Pick-up Truck Differential Carrier C10 - RWD - Yukon Dura Grip Positraction / Limited Slip - GM 8.5 in. Rear - 30 Spline - 2.73 And Up - 1.781 in. Bearing Journal - Rear guaranteed to replace your current 1985 Chevrolet Pick-up Truck Differential Carrier C10 - RWD - Yukon Dura Grip Positraction / Limited Slip - GM 8.5 in. Rear - 30 Spline - 2.73 And Up - 1.781 in. Bearing Journal - Rear. 1985 Chevrolet Pick-up Truck Differential Carrier comes new OEM 1985 Chevrolet Pick-up Truck Differential Carrier aftermarket new 1985 Chevrolet Pick-up Truck Differential Carrier of remanufactured 1985 Chevrolet Pick-up Truck Differential Carrier C10 - RWD - Yukon Dura Grip Positraction / Limited Slip - GM 8.5 in. Rear - 30 Spline - 2.73 And Up - 1.781 in. Bearing Journal - Rear.