Suffering from poor performance and reduced fuel economy resulting from oversized tires? A Nitro gear change will help get that performance and economy back! It is a common misconception that lower gears are only for hardcore off-roading, in actuality the average daily driven vehicle can see huge improvements in both performance and economy by properly matching their vehicle’s gear ratio to their tire size all while reducing strain on the vehicles drivetrain.

We at Nitro Gear and Axle realize the difficulty for the average consumer or install shop to compile the list of parts and prices required when doing a gear change. To make it easier for everyone the experts at Nitro are introducing an industry first Gear Packages for many popular 4x4 applications. One part number. One price. One click away.Dodge RAM 2500 and 3500 With Cummins Diesel Thick 4.56 Ratio
Applications:
2003-2006 Dodge Ram 2500/3500 with Cummins Diesel
Front Differential: CHY 9.25 inch Reverse
Rear Differential: AAM 11.5 inch
Gear Ratio: 4.56 (Thick)
Manufacturer: Nitro Gear and Axle
Warranty: 2 Years
Recommended:
6 quarts of Nitro Synthetic Plus Gear Lube
Gear Package Kit Includes:

• Nitro front ring and pinion
• Nitro front Master Install Kit
• Nitro rear ring and pinion
• Nitro rear Master Install Kit

Tech Note:
Direct fit for 2003-2006 Dodge 2500 and 3500 with OEM carrier ONLY.
Does not require ring gear spacer.
Some 2003 Models have a smaller AAM 10.5inch rear axle. There is not a Gear Package for this application; however, we do have the parts individually.