2003 Chevrolet Express 2500 Ring and Pinion Set Express 2500 - RWD - Dana 60 - Standard Rotation - Ring and Pinion Set - 4.30 Ratio - Fits 3 Series Carrier - Will Work w/4.27 in 4WD - Rear guaranteed to replace your current 2003 Chevrolet Express 2500 Ring and Pinion Set Express 2500 - RWD - Dana 60 - Standard Rotation - Ring and Pinion Set - 4.30 Ratio - Fits 3 Series Carrier - Will Work w/4.27 in 4WD - Rear. 2003 Chevrolet Express 2500 Ring and Pinion Set comes new OEM 2003 Chevrolet Express 2500 Ring and Pinion Set aftermarket new 2003 Chevrolet Express 2500 Ring and Pinion Set of remanufactured 2003 Chevrolet Express 2500 Ring and Pinion Set Express 2500 - RWD - Dana 60 - Standard Rotation - Ring and Pinion Set - 4.30 Ratio - Fits 3 Series Carrier - Will Work w/4.27 in 4WD - Rear.