Yukon Gear YDAF9-389SVO-31 Differential 3rd Member Assembly

Yukon Dropout Assembly for Ford 9” Diff w/Trac-Lok LSD, 31 Spline, 3.89 Ratio Yukon 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 Trac-Loc limited slip differential that improves torque bias and traction for maximum performance. Fits Ford 9” differential Complete, fully assembled dropout 3.89 gear ratio 31 spline Upgraded with Trac-Lok clutch-type limited slip differential