Winderosa Aftermarket Fuel Pump/Carburetor Rebuild Kit - 38/40/42 451468 These kits include all necessary diaphragms, gaskets and hardware required to disassemble and rebuild the carburetor and external fuel pump using Keihin carbs 38/40/42/44mm CDK-II (Aftermarket kit) THESE CARB KITS WILL ONLY WORK ON KEIHIN CDK II TYPES THESE KITS WILL NOT WORK ON KAWASAKI STX 900 WITH CDCV CARBS Kits sold per carburetor