Yukon positraction internals for 8 and 9 Ford with 31 spline axles, in a 4-pinion design. Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. This kit does not include clutches. All components come with a one year warranty against manufacturing defects. Product Features:Spider gear kitFits Ford 9 with Trac Loc positraction with 31 spline axlesIncludes two side gears, four pinion gears, cross pin shaft, roll pin and spider gear thrust washers.
