Revolution Gear & Axle 03-10 Dodge 2500/3500 11.5in-9.25in Reverse Cut 4.10 Ratio Gear Package

Nitro Ring & Pinion gear package for 2003-2010 Dodge Ram 2500/3500 with Cummins Diesel engines. Features 8620 Steel Gear Forgings, Precision Machining, CNC Triple-lapping, Heat Treatment, and Rockwell Hardness Testing. Master install kits include Koyo bearings. These gear packages are designed to restore performance and fuel economy when using oversized tires by properly matching the gear ratio to tire size, reducing strain on the drivetrain. Note: 2003-2006 models require a front ring gear spacer MRG925A or a 2007 & newer style carrier NC-AAM9.25-COM. Some 2003 models may have a smaller AAM 10.5\" rear axle, which is not compatible. The product includes Nitro front and rear ring & pinion, and Nitro front and rear Master Install Kits.