9.25" Chrysler 3.21 Ring and Pinion Gear Set

The USA Standard Gear ZGK2076 is a 9.25-inch Chrysler rear ring and pinion gear set with a 3.21 gear ratio, designed as a premium OEM replacement for 2007 to 2010 RAM 1500 models equipped with a 9.25-inch rear axle. Precision-manufactured and rigorously tested for dimensional accuracy and strength, this gear set is built for long-term durability, quiet operation, and dependable performance suitable for daily driving, towing, or light off-road use. Key specifications include a 9.25-inch ring gear diameter, a 29-spline pinion, and provisions for 12 ring gear bolts. The 3.21 gear ratio offers a balance between fuel efficiency and low-end torque, making it ideal for stock and lightly modified trucks. Installation of this kit is considered hard and requires advanced mechanical skills, specialized tools, and proper setup knowledge. Professional installation is strongly recommended to ensure optimal gear mesh, backlash settings, and long-term drivetrain reliability. The kit comes with a one-year limited warranty from USA Standard Gear. The package includes the 9.25-inch ring gear, 29-spline pinion gear, a complete installation kit, and a set of ring gear bolts.