The Yukon Ford 10.25" 4.88 ratio ring-and-pinion gear set is a heavy-duty numerical upgrade for 1993–1999 Ford 10.25-inch applications that need stronger low-end acceleration. Yukon employs advanced heat-treating and a controlled tooth surface finish for reduced friction and improved durability, with OEM-spec fitment. The set includes a 10.25" ring gear with 12 bolts and a 31-spline long pinion, and is eligible for Yukon's lifetime Y.E.S. protection.
Yukon Gear High Performance Gear Set For Ford 10.25in in a 4.88 Ratio