Yukon positraction internals for 8" and 9" Ford with 31 spline axles, in a 4-pinion design
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.
