Optimizes fuel combustion efficiency to save fuel consumption. For Toyota RAV4,Material:ABS+Metal,Stable fuel injection pressure, reducing carbon deposits and poor fuel atomization through long-term use of the nozzle. Package Contents:1 set of fuel injectors ,Cleans and protects the entire fuel system,Recoveries: lost power, acceleration, fuel economy and fuel gauge sensor operation. Our fuel injectors have more complete atomization and combustion, greater power, more economical, more stable acceleration, smoother shifting, less knocking. Effectively reduces engine exhaust emissions., Manufacturer: NMJLQW