1990 Chevrolet Pick-up Truck Ring and Pinion Set K3500 - 4WD - Dana 80 Rear - Ring and Pinion Set - 4.63 Ratio - Fits 4.10 & Up Carrier - Rear guaranteed to replace your current 1990 Chevrolet Pick-up Truck Ring and Pinion Set K3500 - 4WD - Dana 80 Rear - Ring and Pinion Set - 4.63 Ratio - Fits 4.10 & Up Carrier - Rear. 1990 Chevrolet Pick-up Truck Ring and Pinion Set comes new OEM 1990 Chevrolet Pick-up Truck Ring and Pinion Set aftermarket new 1990 Chevrolet Pick-up Truck Ring and Pinion Set of remanufactured 1990 Chevrolet Pick-up Truck Ring and Pinion Set K3500 - 4WD - Dana 80 Rear - Ring and Pinion Set - 4.63 Ratio - Fits 4.10 & Up Carrier - Rear.