Yukon performance spools produces 100% traction to both wheels at all times. They are made from the highest quality materials to ensure high strength and long life in performance applications. Not recommended for street driven vehicles.
Features
Fits GM 10.5"14 bolt truck differentialFor aftermarket 40 spline axles4.10-and-down gear ratio onlySteel, heat-treated differential spoolProvides 100% traction to both wheels at all timesNot recommended for street driven vehicles