1977 Dodge Pick-up Truck Ring and Pinion Set W300 - 4WD - Dana 60 - Standard Rotation - 4.56 Ratio - Dana 60 - 4.56 Ratio, thick for 4.10 and down carrier - Front guaranteed to replace your current 1977 Dodge Pick-up Truck Ring and Pinion Set W300 - 4WD - Dana 60 - Standard Rotation - 4.56 Ratio - Dana 60 - 4.56 Ratio, thick for 4.10 and down carrier - Front. 1977 Dodge Pick-up Truck Ring and Pinion Set comes new OEM 1977 Dodge Pick-up Truck Ring and Pinion Set aftermarket new 1977 Dodge Pick-up Truck Ring and Pinion Set of remanufactured 1977 Dodge Pick-up Truck Ring and Pinion Set W300 - 4WD - Dana 60 - Standard Rotation - 4.56 Ratio - Dana 60 - 4.56 Ratio, thick for 4.10 and down carrier - Front.