The Yukon Ford 10.50" 4.11 ratio ring-and-pinion gear set is offered for 1999–2010 Ford 10.5-inch differentials as a higher numerical replacement to improve low-speed response. Yukon uses advanced heat-treating and an optimized tooth finish to reduce friction and heat, and machines parts to OEM specifications. The package includes a 10.50" ring with 12 bolts and a 31-spline pinion in a 4.11 ratio and is covered by Yukon's Y.E.S. lifetime protection plan.
Yukon Gear High Performance Gear Set For 10 & Down Ford 10.5in in a 4.11 Ratio