1983 Chevrolet Caprice Ring and Pinion Set RWD - GM 7.5 in. & 7.625 in Rear - Thick Ring and Pinion Set - 4.11 Ratio - Fits 3.08 & Down Carrier - Rear guaranteed to replace your current 1983 Chevrolet Caprice Ring and Pinion Set RWD - GM 7.5 in. & 7.625 in Rear - Thick Ring and Pinion Set - 4.11 Ratio - Fits 3.08 & Down Carrier - Rear. 1983 Chevrolet Caprice Ring and Pinion Set comes new OEM 1983 Chevrolet Caprice Ring and Pinion Set aftermarket new 1983 Chevrolet Caprice Ring and Pinion Set of remanufactured 1983 Chevrolet Caprice Ring and Pinion Set RWD - GM 7.5 in. & 7.625 in Rear - Thick Ring and Pinion Set - 4.11 Ratio - Fits 3.08 & Down Carrier - Rear.