1997 Chevrolet P30 Ring and Pinion Set RWD - Dana 70 Rear - Thick Ring and Pinion Set - 4.56 Ratio - 5/8 in. Offset - 29 Spline Pinion - Fits 3 Series 4.10 & Down Carrier - Rear guaranteed to replace your current 1997 Chevrolet P30 Ring and Pinion Set RWD - Dana 70 Rear - Thick Ring and Pinion Set - 4.56 Ratio - 5/8 in. Offset - 29 Spline Pinion - Fits 3 Series 4.10 & Down Carrier - Rear. 1997 Chevrolet P30 Ring and Pinion Set comes new OEM 1997 Chevrolet P30 Ring and Pinion Set aftermarket new 1997 Chevrolet P30 Ring and Pinion Set of remanufactured 1997 Chevrolet P30 Ring and Pinion Set RWD - Dana 70 Rear - Thick Ring and Pinion Set - 4.56 Ratio - 5/8 in. Offset - 29 Spline Pinion - Fits 3 Series 4.10 & Down Carrier - Rear.