If you've equipped your 2010-2012 Ram 2500/3500 with larger wheels and tires and have noticed a loss in power while daily driving and towing, aftermarket axle gears are the solution. Regain your power and efficiency by installed our selection of OEM-style precision crafted rear gears. Whether you need one gear or a complete set of gears, have your truck running like new with these featured rear gears at Alligator Performance. Equip your gears with a quality Install Kits to ensure they run flawlessly.Ram Cummins Fitments: 2010, 2011, 2012 Ram 6.7L Cummins.Submodel Fitments: Tradesman, Laramie, Laramie Longhorn, Big Horn, Limited, Lone Star, Power Wagon.Some exceptions apply, please see individual product pages for specific fitments.