Yukon Dura Grip for Ford 8.8" with 31-spline axles is a rebuildable limited-slip differential using composite clutches and forged chromoly spider gears. Built to fit 8.8" housings with 31 splines, the unit supports the manufacturer’s gear ratios and is supplied as a durable positraction option for applications requiring that spline count and housing size.
Yukon Gear Dura Grip Positraction For Ford 8.8in w/31 Spline Axles