2011 Dodge Ram Trucks Ring and Pinion Set 1500 - 4WD - Chrysler 9.25 in. Reverse Front - Ring and Pinion Set - 4.88 Ratio - Front guaranteed to replace your current 2011 Dodge Ram Trucks Ring and Pinion Set 1500 - 4WD - Chrysler 9.25 in. Reverse Front - Ring and Pinion Set - 4.88 Ratio - Front. 2011 Dodge Ram Trucks Ring and Pinion Set comes new OEM 2011 Dodge Ram Trucks Ring and Pinion Set aftermarket new 2011 Dodge Ram Trucks Ring and Pinion Set of remanufactured 2011 Dodge Ram Trucks Ring and Pinion Set 1500 - 4WD - Chrysler 9.25 in. Reverse Front - Ring and Pinion Set - 4.88 Ratio - Front.