The Yukon ring-and-pinion for Toyota 8-inch clamshell front axles provides a 3.91 reverse-front ratio and is intended for clamshell carrier designs (fits 3.91 and up carriers). Yukon engineers refine tooth finish to lower friction and heat, and use precision processes and testing to meet strict specifications. The set ships with 10 ring gear bolts and is built for high-torque, heavy-use environments.
Yukon Gear High Performance Yukon Ring & Pinion Gear Set for Toyota Clamshell Front Axle 3.91 Ratio