Carburetor Rebuild Kit - Ski-DooCaracteristicas: 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 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 Applications that use paper float bowl gaskets are upgraded to High Performance Interference Gasket material Models with