8.25" 3.90 Ring and Pinion Set

The USA Standard Gear ring and pinion set is engineered to provide reliable performance for Chrysler 8.25" differentials, featuring a 3.90 gear ratio. This set is built with an 8.25" ring gear diameter, a 27-spline pinion, and utilizes 10 ring gear bolts for secure installation. USA Standard Gear is committed to quality, with all sets undergoing rigorous in-house evaluations to ensure they meet dimensional, material, and fitment testing standards, aiming to exceed OEM specifications. This ring and pinion set is specifically designed for Chrysler 8.25" axles. The 3.90 ratio is ideal for vehicles that require a balance between on-road cruising ability and off-road capability, or for those who have upgraded to larger tires. The robust construction ensures durability for demanding applications. Fitment information indicates compatibility with Chrysler 8.25" axles. Specific applications noted include Jeep Grand Cherokee WK models from 2005-2010. The product page also references "04 & Down Chrysler 8.25" and "05 & up (C213R/C213RE)" which suggests a broader application range within the Chrysler 8.25" axle family, though precise year/model details should be confirmed via the "Click Here" fitment guide on the product page.