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This Yukon 8.20-inch ring-and-pinion set in a 3.90 ratio is designed for Buick, Oldsmobile and Pontiac differentials requiring an 8.20" ring gear. Yukon uses high-grade steel and a tooth finish intended to lower friction and heat; the kit includes an 8.20" ring, a 27-spline pinion and 10 ring gear bolts to match OEM-style fitment for these GM-family applications.
Yukon Gear High Performance Gear Set For GM 8.2in (Buick / Oldsmobile / and Pontiac) in 3.90
