This Carburetor Rebuild Kit includes all of the necessary components to rebuild a carburetor, including all O-Rings, gaskets, jets, needle, mixture screw, float bowl screws, float valve needle and seat (needle jet and other pressed in jets are not included in kit, KTM and Husqvarna kits do not include jets or slide needle as standard jetting sizes are not provided by the factory.) Applications that use paper float bowl gaskets are upgraded to High Performance Interface Gasket material. This kit is supplied by the same supplier that OEMs use, components are based off of US models only.