The Yukon ring-and-pinion gear set for Ford 9.00-inch axles (3.89 ratio) is an OEM-spec final-drive replacement crafted with precision tooth finish to reduce friction and heat. Yukon employs advanced heat-treating and quality testing processes and supports the product with its Y.E.S. Plan lifetime protection. Noted specifications include a 9.00" ring gear diameter, 10 ring bolts and a 28-spline pinion.
Yukon Gear High Performance Gear Set For Ford 9in in a 3.89 Ratio