Polaris 1021279-458 – Replacement MPN: 1021279-458 WELD-ROPS FRONT RH BLK Genuine Polaris Part # 1021279-458. Polaris 1021279-458 Black Front Right Hand ROPS General 1000. We are proud to be a factory authorized retailer. We use several different carriers and choose the most economical for the item and destination based on the estimated transit time displayed. FixMyToys – A Division of Ball Equipment.