Includes all the necessary components to repair a carburetor. Kit includes all necessary 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 the kit). OEM jet sizes and slide needles are included in the kit. NBR rubber material is used on all O-rings and rubber gaskets; NBR has excellent resistance to the ethanol used in today's fuels. Float bowl gasket is made of High Performance Interface Gasket material. Components included in the kits are based off of U.S. models and discretion must be used when attempting to install the kit on a non-U.S. model.