1、Fitment: Replacement for Polaris ACE 325 500 570 900 Replacement for Polaris Ranger 500 570 900 XP1000 ETX; Replacement for Polaris RZR. 2、Reference OEM Number: The part number for reference is 5439831, please confirm whether it is consistent with the OE you need. 3、Durable Material: UTV secondary clutch rollers is constructed of high strength ABS and metal material, rugged structure, not easy to aging and crack. 4、Directly Replace: Using the shabby secondary clutch roller for a long time will damage the screw or clutch, which will bring a bad experience to the vehicle. Replace the new roller to solve these problems. 5、Perfect Match: The manufacturing conforms to the standard specification, strictly follows the factory quality control, perfectly fit your UTV.