1.cng injector rail is used for sequential injection 2.DC12V 3.3Ohm 4.4cylinder This ... used by the CNG ECU to calculate the injection timing applied to the CNG control unit translates ... CNG Cylinder, CNG valve, CNG conversion kits, CNG Reducer, CNG valve filling, High pressure tube, CNG pressure ... and quality. We dealing with mainly products are CNG LPG, NGV, and we can accept processing on supply ...