FAST
FAST XFI Main Wiring Harness Modern Hemi — Fits 2003-2007 Dodge Chrysler Jeep
FAST XFI Main Wiring Harness Modern Hemi — Fits 2003-2007 Dodge Chrysler Jeep
FAST XFI Main Wiring Harness Modern Hemi — Fits 2003-2007 Dodge Chrysler Jeep
FAST XFI Main Wiring Harness Modern Hemi — Fits 2003-2007 Dodge Chrysler Jeep
FAST XFI Main Wiring Harness Modern Hemi — Fits 2003-2007 Dodge Chrysler Jeep
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FAST XFI Main Wiring Harness Modern Hemi — Fits 2003-2007 Dodge Chrysler JeepFAST XFI Main Wiring Harness Modern Hemi — Fits 2003-2007 Dodge Chrysler JeepFAST XFI Main Wiring Harness Modern Hemi — Fits 2003-2007 Dodge Chrysler JeepFAST XFI Main Wiring Harness Modern Hemi — Fits 2003-2007 Dodge Chrysler JeepFAST XFI Main Wiring Harness Modern Hemi — Fits 2003-2007 Dodge Chrysler Jeep
FAST

FAST XFI Main Wiring Harness Modern Hemi — Fits 2003-2007 Dodge Chrysler Jeep

SKU: FST301104

About FAST FAST engineers high-quality automotive parts and accessories trusted ...Read more

Price:
$562.12
5620 ENTRIES10X
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

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About FAST

FAST engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full FAST lineup with fast shipping and expert fitment support — order with confidence.

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Optimize Your Hemi Performance with FAST XFI Main Harness

The FAST XFI Main Wiring Harness is the essential link between your XFI ECU and your engine's critical systems. Engineered specifically for the Modern Hemi 5.7L platform, this harness ensures seamless communication between your ECU, ignition devices, and sensors. Whether you are running a digital dash, EGT modules, or advanced data logging, this harness provides the stable, interference-free connection required for high-performance builds.

Key Features and Benefits:

  • Precision Engineering: Designed for perfect compatibility with Modern Hemi engine management systems.
  • Versatile Connectivity: Supports integration with sensors, digital dashes, and optional accessories.
  • Customizable Design: Available in configurations that allow for custom ECU-side termination, perfect for bespoke engine bay layouts.
  • Durability: Built with high-quality terminals and seals to withstand the harsh environment of a high-performance engine bay.
  • Simplified Installation: Streamlines the wiring process for complex EFI conversions, reducing installation time and troubleshooting.

Whether you are building a street machine or a dedicated track vehicle, the FAST XFI Main Harness provides the reliability and signal integrity that professional tuners demand. By maintaining consistent communication between your sensors and the ECU, you ensure peak engine efficiency and throttle response. For all your high-performance wiring needs, trust the experts at GGCRACING.

…and 47 additional fitments. Contact us to confirm yours.

About FAST

FAST engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full FAST lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Optimize Your Hemi Performance with FAST XFI Main Harness

The FAST XFI Main Wiring Harness is the essential link between your XFI ECU and your engine's critical systems. Engineered specifically for the Modern Hemi 5.7L platform, this harness ensures seamless communication between your ECU, ignition devices, and sensors. Whether you are running a digital dash, EGT modules, or advanced data logging, this harness provides the stable, interference-free connection required for high-performance builds.

Key Features and Benefits:

  • Precision Engineering: Designed for perfect compatibility with Modern Hemi engine management systems.
  • Versatile Connectivity: Supports integration with sensors, digital dashes, and optional accessories.
  • Customizable Design: Available in configurations that allow for custom ECU-side termination, perfect for bespoke engine bay layouts.
  • Durability: Built with high-quality terminals and seals to withstand the harsh environment of a high-performance engine bay.
  • Simplified Installation: Streamlines the wiring process for complex EFI conversions, reducing installation time and troubleshooting.

Whether you are building a street machine or a dedicated track vehicle, the FAST XFI Main Harness provides the reliability and signal integrity that professional tuners demand. By maintaining consistent communication between your sensors and the ECU, you ensure peak engine efficiency and throttle response. For all your high-performance wiring needs, trust the experts at GGCRACING.

…and 47 additional fitments. Contact us to confirm yours.

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