... ,cng mixer,ECU,switch) STAG300,CNG/LPG injection system kits 1.ECE-R110 Certification,2.1100-2500CC 3.gasoline engine,4,6 ... to the burning gas mutual rail injection valve, when the engine stopped the gas system will be cut off automatically. It ... the gas engine emission standards, such as EU2, EU3, EU4 and over. (Poland)(cng fuel auto,cng regulator,cng mixer,ECU,switch ...