Sea-Doo Supercharger Rebuild Kit (16 tooth) 215, 255, 260 HP | RXP SC | GTX 4Tec LTD SC | Sportster 4Tec | Wake Pro | RXT | GTX | Speedster | Challenger | SP | Utopia | Islandia | This kit contains all the same components as the O.E. kit, plus an upgraded heavy duty metal washer in place of the ceramic washers. Install guide available on the website. 215, 255, 260 HP Only OEM: 420834517 & 420881942 & 420881946 See "Product Description" for complete application list with years and models.