2011 GMC Savana 4500 Ring and Pinion Set 4 X 2 - GM 10.5 in Rear - w/ 14 Bolt Cover - 5.38 Ratio - Thick Ring and Pinion Set - Fits 3 series 4.10 & Down Carrier - Rear guaranteed to replace your current 2011 GMC Savana 4500 Ring and Pinion Set 4 X 2 - GM 10.5 in Rear - w/ 14 Bolt Cover - 5.38 Ratio - Thick Ring and Pinion Set - Fits 3 series 4.10 & Down Carrier - Rear. 2011 GMC Savana 4500 Ring and Pinion Set comes new OEM 2011 GMC Savana 4500 Ring and Pinion Set aftermarket new 2011 GMC Savana 4500 Ring and Pinion Set of remanufactured 2011 GMC Savana 4500 Ring and Pinion Set 4 X 2 - GM 10.5 in Rear - w/ 14 Bolt Cover - 5.38 Ratio - Thick Ring and Pinion Set - Fits 3 series 4.10 & Down Carrier - Rear.