• Precision machining & heat treating processes ensure strength and excellent fitment
• Computer controlled fine gear lapping ensures ease of installation, excellent contact patters, and a quiet-running setup
• Rapidly growing application range to meet new demands
• Street or strip, track or trail - you can depend on Nitro!
• 2-YEAR WARRANTY
  

• 2003-2006 Ram models require additional ring gear spacer, available from menu.

Nitro Gear & Axle 9.25" AAM Ring and Pinion Options

2003-2017 Dodge Ram 2500 / 3500
2001-2017 GM 2500HD / 3500

Whether you are looking for a higher gear ratio to improve fuel economy by lowering RPM's, or wanting a lower gear ratio to match up your oversized tires, Nitro Gear & Axle has you covered.  Nitro Ring & Pinions are among the best in the industry.  By using better materials, machining, heat treating and lapping processes, Nitro can ensure a strong, quiet-running, long-lasting setup.  Every new application is put through multi-point inspections and actually installed and set up by Nitro's in-house differential experts to ensure excellent fitment and easy setup.  Nitro truly strives to meet consumer demand for new ratios and applications, which is why they are continually developing new products to stay ahead of the competition.