Fuel Injection Harness

This harness allows you to connect a vehicle speed sensor or a driveshaft speed sensor to your XFI computer.

Main harness

This custom-fit engine wiring harness is designed to integrate the FAST XFI 2.0 and XIM with the factory vehicle harness and switch panel of the Ford Cobra Jet engine. Compatible with both the 5.4 Modular and 5.0 Coyote.

• Utilizes heavy-duty and heat-resistant cable for utmost in strength, durability.
• Several mounting options for ECU & ignition module.
• Compatible w/ Ford 5.4 Modular & 5.0 Coyote engines, either N/A or supercharged.
• No cutting or trimming required if installed as directed, saving 30-40 hours of harness-building labor.
• Used by both NHRA & NMCA Stock Eliminator & Super Stock teams.

This kit includes a connector, a switch and instructions on how to toggle different tunes on your XFI from a switch.

• Toggle between different XFI 2.0 ECU tunes with a physical switch.
• Allows you to select different ECU programs without a laptop or hand-held.
• Brings convenient modern production car technology to select between custom tunes on the fly. Great for toggling different race configurations, de-tuned street confirgurations or even an RPM limited ‘Valet Mode’.

XFI Fuel Injection Harness equipped with Mintimer/EV1 connections and a harness designed to fit 4 cylinder engines with a user-defined firing order.

XFI Fuel Injection Harness equipped with Minitimer/EV1 connections and a harness designed to fit 4/7 Swap Chevrolet Small and Big Block with a 1-8-7-3-6-5-4-2 firing order.

XFI Fuel Injection Harness equipped with USCAR/EV6 connections and a harness designed to fit Ford Coyote and other V8 engines with a 1-5-4-8-6-3-7-2 firing order.

XFI Fuel Injection Harness equipped with Minitimer/EV1 connections and a harness designed to fit Ford Modular and other V8 engines with a 1-3-7-2-6-5-4-8 firing order.

XFI Fuel Injection Harness equipped with USCAR/EV6 connections and a harness designed to fit LS series and other V8 engines with a 1-8-7-2-6-5-4-3 firing order.

XFI Fuel Injection Harness equipped with Minitimer/EV1 connections and a harness designed to fit most Chevrolet Small and Big Block and Chrysler LA, B and RB engines with a 1-8-4-3-6-5-7-2 firing order.

This harness provides connections for an LS1/LS6 ignition system to our XIM ignition controller