1993 Chevrolet G30 Ring and Pinion Set RWD - GM 10.5 in Rear - w/ 14 Bolt Cover - 3.73 Ratio - Ring and Pinion Set - Fits 3 series 4.10 & Down Carrier - Rear guaranteed to replace your current 1993 Chevrolet G30 Ring and Pinion Set RWD - GM 10.5 in Rear - w/ 14 Bolt Cover - 3.73 Ratio - Ring and Pinion Set - Fits 3 series 4.10 & Down Carrier - Rear. 1993 Chevrolet G30 Ring and Pinion Set comes new OEM 1993 Chevrolet G30 Ring and Pinion Set aftermarket new 1993 Chevrolet G30 Ring and Pinion Set of remanufactured 1993 Chevrolet G30 Ring and Pinion Set RWD - GM 10.5 in Rear - w/ 14 Bolt Cover - 3.73 Ratio - Ring and Pinion Set - Fits 3 series 4.10 & Down Carrier - Rear.