Item Feature: The nozzle features efficient fuel injection and high impedance coils for good performance. The fuel injector comes with durable effective rubber O-Ring that can seal fuel vapors in and keep them from leaking. The high impedance fuel injector has been tested and exactly matches the internal coil resistance and fuel flow rate of OEM fuel injector. Direct replacement of your old injector and no modification needed. Professional installation is highly recommended. We also suggest that you inspect the other components of the engine prior to installation and tune the engine after installation. Vehicle Fitment: for Toyota Tacoma 2005-2014 for Toyota 4Runner 2010 Item Specification: Color: Gray Material: Metal, Plastic O-Rings Included: Yes, preinstalled Orifice Type: 12 Holes Disc Voltage: DC 12V Pin Number: 2 Pins Installation Steps: 1. Make sure the engine is cool down. Disconnect the battery. 2. Remove the bolts and brackets from the fuel rail. 3. Disconnect the plug on each injector. 4. Lift the fuel rail and remove the injector from the fuel rail. 5. Press the new injector into the rail. Reattach the fuel rail and put the injectors in their respective holes. 6. Bolt down fuel rail. Reattach fuel line. Plug in injector connectors. Reconnect battery. 7. Double check for fuel leaks before and after starting the engine. Item Content:1 Pcs Fuel Injector