Optimizes fuel combustion efficiency to save fuel consumption. For Toyota for Hilux for Land-Cruiser for Tacoma for 4Runner,Material:ABS+Metal,Cleans and protects the entire fuel system,Recoveries: lost power, acceleration, fuel economy and fuel gauge sensor operation. Package Contents: 4 x fuel injector ,Porous fuel injectors allow quick starts in cold environments. Reduced flow fluctuations for precise fuel control. 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