The Yukon Dana 80 ring-and-pinion set in a 4.11 ratio fits Dana Spicer 80 housings and includes an 11.25" ring gear with 12 bolts and a 37-spline pinion. Yukon refines gear tooth surfaces and applies advanced heat-treating to reduce friction and heat while preserving OEM-spec fitment. The set is part of Yukon’s range of gear ratios and is supported by the company’s lifetime Y.E.S. protection plan.
Yukon Gear High Performance Gear Set For Dana 80 in a 4.11 Ratio