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The Yukon Dana S111 4.11 ratio ring-and-pinion gear set is a high-quality replacement for Dana Spicer S111 axles, intended to restore correct final-drive ratio and traction characteristics. Yukon engineers refine the gear tooth surface finish and use advanced heat-treating with high-grade steel for durability and reduced friction. This set uses a 12.25" ring with 10 ring bolts and a 34-spline pinion, with fitment to OEM specs and Y.E.S. lifetime coverage.
Yukon Gear High Performance Gear Set For Dana S111 in a 4.11 Ratio
