... kits(Poland)(cng fuel auto,cng regulator,cng mixer,ECU,switch) STAG300,CNG/LPG injection system kits 1.ECE-R110 Certification,2 ... send out the injunction to the burning gas mutual rail injection valve, when the engine stopped the gas system will be ... , EU4 and over. (Poland)(cng fuel auto,cng regulator,cng mixer,ECU,switch)STAG300,CNG/LPG injection system kits