Quick view Yukon Gear & Axle YPKF8.8-P-31 Spider Gear Set MSRP: $323.89 Now: $257.56 Was: Spider Gear KitSpider Gear SetSpider Gear Set; Positraction Internals; 31 Spline;SPECIFICATIONS:WARNING CA Proposition 65: NoFEATURES:Fits Ford 8.8 in. Differential Outfitted w/Yukon Dura Grip Or...