1998 GMC Sierra Ring and Pinion Set C3500 - RWD - Dana 70 Rear - Ring and Pinion Set - 4.11 Ratio - 5/8 in. Offset - 29 Spline Pinion - Fits 3 Series 4.10 & Down Carrier - Rear guaranteed to replace your current 1998 GMC Sierra Ring and Pinion Set C3500 - RWD - Dana 70 Rear - Ring and Pinion Set - 4.11 Ratio - 5/8 in. Offset - 29 Spline Pinion - Fits 3 Series 4.10 & Down Carrier - Rear. 1998 GMC Sierra Ring and Pinion Set comes new OEM 1998 GMC Sierra Ring and Pinion Set aftermarket new 1998 GMC Sierra Ring and Pinion Set of remanufactured 1998 GMC Sierra Ring and Pinion Set C3500 - RWD - Dana 70 Rear - Ring and Pinion Set - 4.11 Ratio - 5/8 in. Offset - 29 Spline Pinion - Fits 3 Series 4.10 & Down Carrier - Rear.