... kits 1.ECE-R110 Certification,2.1100-2500CC 3.gasoline engine,4,6,8cylinder.4.cng kits.cng reducer.injector,ECUCNG ... out the injunction to the burning gas mutual rail injection valve, when the engine stopped the gas system will be cut off automatically ... and rapid response, and other characteristics of the gas engine. Meet the requirements of the gas engine emission standards, such as EU2, EU3, EU4 ...