1976 Oldsmobile Omega Ring and Pinion Set GM 7.5 in. & 7.625 in Rear - Thick Ring and Pinion Set - 3.42 Ratio - Fits 3.08 & Down Carrier - Rear guaranteed to replace your current 1976 Oldsmobile Omega Ring and Pinion Set GM 7.5 in. & 7.625 in Rear - Thick Ring and Pinion Set - 3.42 Ratio - Fits 3.08 & Down Carrier - Rear. 1976 Oldsmobile Omega Ring and Pinion Set comes new OEM 1976 Oldsmobile Omega Ring and Pinion Set aftermarket new 1976 Oldsmobile Omega Ring and Pinion Set of remanufactured 1976 Oldsmobile Omega Ring and Pinion Set GM 7.5 in. & 7.625 in Rear - Thick Ring and Pinion Set - 3.42 Ratio - Fits 3.08 & Down Carrier - Rear.