Yukon Gear Ford Lincoln Mercury (4WD/RWD) Differential

YDAF9-370-31

Dropout Assembly YDAF9-370-31 Yukon Dropout Assembly for Ford 9 Differential, 31 Spline, 3.70 Ratio 9″ FORD 3.70 RATIO w/ 31spl STD CARRIER, 3RD MEMBER ASSEMBLY (w/o Yoke) Yukon dropout assemblies are built by expert Yukon technicians and come complete, fully 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. 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. Fits Ford 9 differential Complete, fully assembled dropout 3.70 gear ratio 31 spline Does not include yoke Yukon Dropout Assembly for Ford 9 Differential, 31 Spline, 3.70 Ratio, YDAF9-370-31