JINYISI 950cc Top Feed Fuel Injector Nozzle Set (4Pcs) for Subaru WRX STI Legacy GT - Compatible with 16611AA720 84212341 - High Performance Fuel System Upgrade for Racing & Daily Driving

Product Description:How to judge the injector is clogged or damaged?Engine noise is getting bigger, especially in low gear and below 2500 rpmThe throttle response is not sensitive, the acceleration is not smooth, and the throttle will have obvious hysteresis.The idling range is small, especially when starting, the jitter is obvious, and it is not easy to eliminate. The 1st and 2nd gears have a slight lack of cylinder feel.How fuel injectors workThe fuel injector is actually a solenoid valve with a simple working principle. When the solenoid coil is energized, the suction generated by the needle valve is used to suck up the needle valve and open the nozzle hole. Fuel is sprayed out at a high speed between them to form a mist-like, which can help the fuel to burn fully.Feature:1. Increase your throttle response.Save gasoline .2. Easy installation, without complex procedures, convenient for using.3.Reduce overall fuel consumption and harmful emissions, promote better engine operation, and balance fuel supply for long-term use.➤ Warm reminder:Please double check the part number of your item, matching information is for reference only.-If you have any questions when you receive the package, please contact us before leaving any feedback.

❤Purchase notice: Please check the detailed information before buying to ensure that it is compatible with your device. If you are not sure, please send us the detailed model and year of the vehicle, and provide us with the car installation OEM number!

❤Material: The injector is made of metal and synthetic resin,the nozzle is strong, non-aging, durable, guarantees optimum strength and durability, and has a long service life.

❤Durability：Internal Seal Rings Protected from Fuel Exposure, Minimizing In-Use Sticking for Longer-Lasting DurabilityInternal Seal Rings Protected from Fuel Exposure, Minimizing In-Use Sticking for Longer-Lasting Durability。

❤Good performance：Reduce noise, you can start the vehicle quickly, improve the fuel economy of the engine, Maintains precise control of fuel delivery and atomization for more power better throttle response and improved fuel economy

❤Easy to install：The original standard can directly replace the old or damaged standard. No complicated tools are required, and vehicle parts will not be damaged, easy to install and reliable in performance.