Polaris Scrambler front diff pinion cover upgrade - Save yourself the cost of a new front differential, upgrade before it breaks! - Replaces stock weak frontcover assembly, a common weak point on the diffs. - Helps protect the veryexpensive diffs against high load generated by big tires and upgraded axles - Fits 850 and 1000 Scrambler and 2015 and up 850 and 1000 Sportsman's - Made from CNC machinedbillet aluminum - Comes with new bearing and seal installed - Can be installed withoutremoving the diff - Includes all necessaryhardware to install (-036 o-ring will need to be reused off original cover)