Installation Guide CLICK HERE

When making the most power on a stock or built Ford Mustang Ecoboost block, the fuel delivery system that feeds these engines is always the horsepower-robbing culprit. While a water/methanol injection system is one option to achieve higher power, it can sometimes not be the most cost-effective or safe option. This kit is the answer for those looking to push their car past 420whp with a reliable fueling solution.

The Function Factory Performance fueling kit is designed to work with the stock intake manifold and includes an injector boss fitted with injectors in each runner. Using a standard fuel injector, you can precisely inject an exact amount of fuel instead of a W/M injection kit, which sprays pressurized water through a fixed orifice. The kit includes a proprietary Split Second Auxillary Injector Controller, which provides you with a 3D table to reference MAP voltage (Boost Pressure) and RPM so that you can inject fuel exactly when you need it.

Our kit includes 4 Bosch high impedance 630cc injectors. They have a 30-degree cone-shaped spray pattern, which provides instant atomization as the fuel exits the tip of the injector. If you’re trying to make more than 650whp on an E85 or more mixture, please choose the 1000cc injector option. If you have any questions, please get in touch with us before ordering.

We have drilled 4 bungs for meth nozzles on the bottom of the spacer to allow you to run water/methanol for octane/cooling and the additional injectors for added fueling. If you don’t want to utilize this immediately, we include 4 plugs for these holes as well.

Our custom-built Plug-N-Play harness for the Mustang’s coil packs reduces your wiring time. Installation is as simple as plugging the harness into all 4 packs and then plugging the controller into the harness! This is only available with our kit, and each Aux Injector Controller is made explicitly for us to accommodate this.

Much debate has been about the type of hose to use for applications that require resistance to corrosive fuel such as ethanol, methanol, and certain types of race gas. Our kit utilizes a synthetic rubber hose from Aeroquip that has a rating of “excellent, ” meaning that ethanol has little to no effect on the degradation of this hose. Most other manufacturers will tell you their hose is “compatible” with ethanol but should be checked regularly for signs of wear. You can be sure that we went the extra mile to bring you a product that will last for years.

The entire contents of the kit Include:

• All necessary Russell/Aeroquip AN and EFI fittings
• Aeroquip E85 rated fuel hose
• Continental E85 Content Sensor
• Fuel-It E85 Bluetooth adaptor (the app is free to download)
• Custom Plug-N-Play Harness (requires cut & splicing into the OEM harness for power and MAP reference)
• Custom CNC Fuel Rail and Top Feed Rail with Meth Bungs
• 4 Bosch 630cc Injectors
• Custom Split Second Auxiliary Injector Controller
• 4 Ford Genuine OEM Intake Manifold O-Rings

All kits are made to order. Please allow 3 to 6 weeks for manufacturing and fulfillment.
Professional Installation is only recommended

We’ve got your back!

Function Factory Performance takes “customer service” very personally. We understand that finding the right parts can be overwhelming. Education and awareness are the principles that keep us ahead of the curve. Let us make this experience simple, easy, and excellent, so without hesitation, give us a call at (480) 576-8606. Feel free to direct message on our live chat or CLICK HERE to contact us via email.

Make sure to follow us on Instagram @FFPerformanceAZ and YouTube.

EMAIL A FACTORY SPECIALIST FOR HELP. CALL A FACTORY SPECIALIST NOW