This product is designed to be compatible with multiple 500cc ATV/UTV models of Polaris North Star, and is a complete set of 92mm cylinder piston reconstruction kit. It is suitable for the Ranger 500 Scrambler 500 Sportsman 500 and ATP 500 series from 1996 to 2013. The kit includes precision manufactured cylinders, ring piston assemblies, multiple sealing gaskets, and spark plugs, all of which meet OEM specifications and can perfectly replace part numbers 30892-56 (cylinder), 30853-70/71 (gasket), 30872-21 (piston kit), and 30872-26 (piston ring set). By providing complete top reconstruction parts at once, we help you restore engine power and compression performance, ensuring long-term reliable operation. It is recommended to have a professional technician install it to achieve the best results. Please verify your vehicle model and year before purchasing.