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, 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 mechanical Yukon Grizzly Locker for maximum traction and performance.. 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 Grizzly Locker for maximum performance and reliability.. Yukon Gear 93-15 Toyota T100 Rear Diff w/ Grizzly Locker 30 Spline & 3.90 Ratio Drop Out Assembly. Yukon Dropout Assembly, Toyota T100 Diff w/Grizzly Locker, 30 Spline, 3.90 Ratio. Fits Toyota T100 (8.4") rear differential. Upgraded with a Yukon Grizzly Locker. Complete, fully assembled dropout. Dropout Assembly. 3.90 gear ratio. YDAT100-390YGL. Includes yoke. 30 spline. 15-93 TOY

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