1977 Jeep J10 Ring and Pinion Set 4WD - Dana 44 - Standard Rotation - 4.88 Ratio - Thick Ring and Pinion Set - 26 Spline Pinion - Fits 3 Series Carrier - Double Drilled Ring Gear for 3/8in. and 7/16in. Bolts - Rear guaranteed to replace your current 1977 Jeep J10 Ring and Pinion Set 4WD - Dana 44 - Standard Rotation - 4.88 Ratio - Thick Ring and Pinion Set - 26 Spline Pinion - Fits 3 Series Carrier - Double Drilled Ring Gear for 3/8in. and 7/16in. Bolts - Rear. 1977 Jeep J10 Ring and Pinion Set comes new OEM 1977 Jeep J10 Ring and Pinion Set aftermarket new 1977 Jeep J10 Ring and Pinion Set of remanufactured 1977 Jeep J10 Ring and Pinion Set 4WD - Dana 44 - Standard Rotation - 4.88 Ratio - Thick Ring and Pinion Set - 26 Spline Pinion - Fits 3 Series Carrier - Double Drilled Ring Gear for 3/8in. and 7/16in. Bolts - Rear.