The Yukon ring-and-pinion gear set for 2010-and-earlier Ford 9.75-inch axles (3.31 ratio) is an OEM-style replacement with precision tooth finish to reduce friction and heat. Yukon applies advanced heat-treating and quality testing and supports the set with its Y.E.S. Plan lifetime protection. Specifications include a 9.75" ring gear, 12 ring bolts and a 31-spline pinion for 2010-and-down Ford 9.75" applications.
Yukon Gear High Performance Gear Set For 10 & Down Ford 9.75in in a 3.31 Ratio