Convenient one stop shop in a box! Nearly all components required for a complete and professional rebuild.Features Includes: Vertex Piston Kit (standard compression piston, rings, pin and clips) Hot Rods Heavy Duty crank (stock stroke - includes wrist pin bearing for two strokes) Hot Rods main bearing/seal kit Hot Rods transmission bearing kit (includes transmission bearings, output shaft collar and sprocket lock washer) Hot Rods counter balancer bearing Kit Hot Rods water pump bearing and seal kit Vertex complete gaskets kit, including seals and O-ring kit (covers top and bottom) Hot Cams cam chain Wrench Rabbit kit saves money compared to purchasing items individually! 2017 Polaris Ace 900 XC 4x4 2018-2019 Polaris Ranger XP 900 EPS 4x4 Fitment DisclosureThis quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.