Carburetor Size: The installation hole spacing: 43mm, the ID of core hole: 19mm, the ID of choke hole: 24mm. The carburetor kit is specifically designed for Honda GX 160 200 & Cloned 4.0 5.5 6.5hp 163-196 cc OHV small engines. This carburetor can replace carb of part number 16100-ZH8-W61. To avoid compatibility issues for honda clones, please check the air filter of your engine, especially for Harbor Freight Predator 212 Baja MB200. Also for Coleman ct200u bt200x ct200u ex kt196 rb200, for realtree rt200 rtk200, for Baja mb165 mb200, for massimo mega moto, jf200, for Titan TX200, for Champion Westinghouse Greyhound Duromax Lifan Jiangdong mini bike , pressure washer, tiller, lawn mower, snow blower, log splitter atv and so on. The kit includes 1 carburetor, 1 heat shield, 1 air filter, 1 cylinder head cover gasket, 1 spark plug, 1 muffler gasket. The 168 Power Carburetor Kit: Precision-engineered for enhanced engine performance and efficiency.