Optimizes fuel combustion efficiency to save fuel consumption. For FORD for GALaxy ,Material:Plastic + Metal,Cleans and protects the entire fuel system,Recoveries: lost power, acceleration, fuel economy and fuel gauge sensor operation. Package Contents: 4 X Fuel Nozzle injector ,Porous fuel injectors allow quick starts in cold environments. Reduced flow fluctuations for precise fuel control. The biggest advantage of jet fuel delivery is that the fuel delivery control is very precise, so that the engine has the right air-fuel ratio in all working conditions. Effectively reduces engine exhaust emissions., Manufacturer: NMJLQW