Super ATV Sprague Carrier / Roller Cage Fits PolarisMade for those who would rather be riding than working on their machines! Whether you are replacing this from experience or preventing future break downs, this is the one modification that will be well worth the time and effort. This part is the first part that breaks in a front differential when using a stock plastic part. You wont have to replace it ever again with those cheap plastic parts from the factory. You can now replace it with a Heavy Duty