LPG Caburetor converter kit can be considered alternative fuel in ignition engines that operate on gasoline because it contains most of the gasoline properties, liquefied petroleum gas (LPG) environmentally friendly fuel, relatively low cost and abundant energy (thermal value). It is, therefore, an alternative to gasoline. A new carburetor was designed for an internal combustion engine (LPG CNG 168 and 188) to become operate on either gasoline or liquefied petroleum gas (LPG). The LPG carburetor has specially designed to increase mixing performance and to get the best.