Yukon's 8.20-inch ring and pinion set in a 3.73 ratio fits Buick, Oldsmobile and Pontiac applications that accept an 8.20" ring gear. Built with high-grade steel and a finished tooth surface to reduce friction and heat, the kit includes an 8.20" ring, a 27-spline pinion and 10 ring gear bolts for correct OEM-style fitment.
Yukon Gear High Performance Gear Set For GM 8.2in (Buick / Oldsmobile / and Pontiac) in 3.73