Yukon Gear YDAF9-389SPL-31 Diff 3rd Member Assembly for Ford 9" 31-Spl 3.89R

Yukon dropout assemblies are built by expert Yukon techs, come fully shimmed, backlashed to spec, and ready to install. This unit is upgraded with a Yukon steel spool for maximum performance and reliability.\nYukon dropout assemblies are built by expert Yukon technicians and come complete, properly shimmed and backlashed to spec. All you do is install the third member into your diff housing, bolt on the diff cover, add fluid, and roll. This unit features a nodular iron case which improves rigidity and power handling, reducing deflection for consistent gear contact and a long service life. This assembly is upgraded with a Yukon steel spool for maximum traction and performance.