1987 Dodge B250 Ring and Pinion Set RWD - Dana 60 - Standard Rotation - 4.88 Ratio - Thick Ring and Pinion Set - Fits 3 Series Carrier - Rear guaranteed to replace your current 1987 Dodge B250 Ring and Pinion Set RWD - Dana 60 - Standard Rotation - 4.88 Ratio - Thick Ring and Pinion Set - Fits 3 Series Carrier - Rear. 1987 Dodge B250 Ring and Pinion Set comes new OEM 1987 Dodge B250 Ring and Pinion Set aftermarket new 1987 Dodge B250 Ring and Pinion Set of remanufactured 1987 Dodge B250 Ring and Pinion Set RWD - Dana 60 - Standard Rotation - 4.88 Ratio - Thick Ring and Pinion Set - Fits 3 Series Carrier - Rear.