FAST XFI Fuel Injector Harness

Fits Most Chrysler/Dodge/Jeep/Ram 5.7L Hemi (03-18)

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Overview:

The FAST XFI Fuel Injector Harness is engineered to provide a reliable and efficient connection between the FAST XFI ECU and the fuel injectors on a wide range of Chrysler, Dodge, Jeep, and Ram vehicles from 2003 through 2018. Designed specifically for modern V8 engines including the Chrysler 5.7L, 6.1L, and 6.4L Hemi engines, this harness ensures precise injector control and optimal fuel delivery for enhanced engine performance.

Ideal for enthusiasts and professional tuners alike, the harness supports the factory firing order and features USCAR/EV6 style connectors for seamless integration. Its versatile design accommodates a broad selection of popular V8 engines, making it a dependable upgrade or replacement part for many Mopar applications.

Key Features:

Built to meet the demands of high-performance fuel injection systems, the FAST XFI Fuel Injector Harness offers the following key features:

• Compatible with a wide range of Chrysler, Dodge, Jeep, and Ram models from 2003 to 2018
• Designed for modern V8 Hemi engines with a 1-8-4-3-6-5-7-2 firing order
• Equipped with USCAR/EV6 injector connectors for reliable electrical connections
• Pre-wired for easy plug-and-play installation with FAST XFI ECUs
• Supports custom re-pinning and re-termination for unique firing orders or injector types
• Durable wiring and connectors engineered to withstand engine bay heat and vibration
• Compatible with a variety of fuel injector configurations, including common V8 platforms
• Facilitates precise injector control for improved fuel delivery and engine tuning

Construction & Design:

The FAST XFI Fuel Injector Harness is constructed with high-quality materials designed to endure the harsh conditions of the engine compartment. The wiring uses premium insulation to resist heat, chemicals, and abrasion, ensuring long-term durability and consistent performance. Connectors are molded to factory specifications, providing secure and weather-resistant connections that maintain signal integrity under demanding conditions.

Engineered with flexibility in mind, the harness can be modified by professional installers to accommodate custom injector configurations or firing orders, making it a versatile solution for both stock and modified Mopar engines.

Installation & Fitment:

Installation of the FAST XFI Fuel Injector Harness is straightforward for anyone familiar with fuel injection systems and engine wiring. It is designed to plug directly into the factory fuel injectors and the FAST XFI ECU, minimizing the need for splicing or additional adapters. For custom applications, the harness can be re-pinned or re-terminated to match specific injector connectors or firing orders.

This harness fits a comprehensive list of Chrysler, Dodge, Jeep, and Ram vehicles equipped with V8 engines from 2003 through 2018, including popular models such as the Dodge Ram 1500, 2500, and 3500; Dodge Durango; Chrysler 300; Dodge Magnum; Jeep Grand Cherokee; Dodge Charger; and Dodge Challenger.

What's Included:

• FAST XFI Fuel Injector Harness with USCAR/EV6 connectors
• Pre-terminated wiring compatible with FAST XFI ECU
• Installation instructions and wiring diagram

Ideal For:

This fuel injector harness is perfect for automotive enthusiasts, professional tuners, and engine builders who require a reliable and adaptable wiring solution for their FAST XFI fuel injection systems. It is especially suited for those upgrading or replacing factory wiring on Mopar V8 engines, ensuring precise injector control and supporting advanced tuning capabilities.

FAST (Fuel Air Spark Technology) develops aftermarket EFI and engine-management solutions for high-performance street and race builds. From throttle-body and multi-port EFI systems to supporting ignition and fuel-system components, FAST is aimed at enthusiasts who want modern tunability, cleaner drivability, and strong power potential.