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.. 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; 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 Gear 93-15 Toyota T100 Rear Differential w/30 Spline & 4.88 Ratio Drop Out Assembly. Yukon Dropout Assembly for Toyota T100 Differential, 30 Spline, 4.88 Ratio. Yukon Dropout Assembly for Toyota T100 Differential; 30 Spline; 4.88 Ratio. T100 8.4" TOYOTA 4.88, 30spl OPEN CARRIER 3RD MEMBER ASSEMBLY w/ YOKE. Fits Toyota T100 [8.4 in.] Rear Differential. Fits Toyota T100 (8.4") rear differential. Complete, fully assembled dropout. Complete; Fully Assembled Dropout. Dropout Assembly. 4.88 gear ratio. Includes yoke. Differential. YDAT100-488. 30 spline. 15-93 TOY

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