Holley EFI Ford TFI Ignition Adapter Harness — Avenger, HP, Dominator EFI

SKU: GVMR_558-305
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Seamless Integration: Holley EFI Ford TFI Ignition Adapter HarnessFor Ford ...Read More

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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

Product Details

Product Description
Part Numbers
Sizing & Fit

Seamless Integration: Holley EFI Ford TFI Ignition Adapter Harness

For Ford enthusiasts looking to upgrade their classic TFI distributor-equipped engine with a modern Holley EFI system, the Holley EFI Ford TFI Ignition Adapter Harness is the perfect bridge. This specialized harness allows for seamless integration of your existing Ford TFI distributor with Holley Avenger, HP, or Dominator EFI systems, eliminating the need for complex rewiring or costly ignition system overhauls. It's designed to provide a direct, reliable connection for accurate ignition control.

Preserve Your TFI, Gain EFI Advantages

The 558-305 adapter harness is engineered to translate the TFI signal into a format compatible with Holley's advanced EFI ECUs. This means you can retain your proven Ford TFI distributor while benefiting from the superior tuning capabilities, fuel efficiency, and performance advantages offered by Holley EFI. The harness features high-quality wiring and connectors, ensuring a robust and interference-free signal path, which is crucial for maintaining precise spark timing and engine stability across all RPMs.

  • Ford TFI Compatibility: Designed for direct connection to Ford TFI distributors.
  • Holley EFI Integration: Works with Avenger, HP, and Dominator EFI systems.
  • Retain Existing Components: Allows use of your current TFI distributor with modern EFI.
  • Reliable Signal Transfer: High-quality construction for accurate ignition control.

Modern EFI for Classic Ford Power

Upgrading to Holley EFI on a Ford TFI equipped engine has never been easier or more reliable. This adapter harness simplifies the conversion process, ensuring that your ignition system communicates flawlessly with your new ECU. The result is improved engine response, enhanced power delivery, and the peace of mind that comes with a professionally integrated system. Experience the best of both worlds – classic Ford power with cutting-edge EFI control – with this essential adapter harness, available from GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

Seamless Integration: Holley EFI Ford TFI Ignition Adapter Harness

For Ford enthusiasts looking to upgrade their classic TFI distributor-equipped engine with a modern Holley EFI system, the Holley EFI Ford TFI Ignition Adapter Harness is the perfect bridge. This specialized harness allows for seamless integration of your existing Ford TFI distributor with Holley Avenger, HP, or Dominator EFI systems, eliminating the need for complex rewiring or costly ignition system overhauls. It's designed to provide a direct, reliable connection for accurate ignition control.

Preserve Your TFI, Gain EFI Advantages

The 558-305 adapter harness is engineered to translate the TFI signal into a format compatible with Holley's advanced EFI ECUs. This means you can retain your proven Ford TFI distributor while benefiting from the superior tuning capabilities, fuel efficiency, and performance advantages offered by Holley EFI. The harness features high-quality wiring and connectors, ensuring a robust and interference-free signal path, which is crucial for maintaining precise spark timing and engine stability across all RPMs.

  • Ford TFI Compatibility: Designed for direct connection to Ford TFI distributors.
  • Holley EFI Integration: Works with Avenger, HP, and Dominator EFI systems.
  • Retain Existing Components: Allows use of your current TFI distributor with modern EFI.
  • Reliable Signal Transfer: High-quality construction for accurate ignition control.

Modern EFI for Classic Ford Power

Upgrading to Holley EFI on a Ford TFI equipped engine has never been easier or more reliable. This adapter harness simplifies the conversion process, ensuring that your ignition system communicates flawlessly with your new ECU. The result is improved engine response, enhanced power delivery, and the peace of mind that comes with a professionally integrated system. Experience the best of both worlds – classic Ford power with cutting-edge EFI control – with this essential adapter harness, available from GGCRACING.

Product Details

Product Description

Seamless Integration: Holley EFI Ford TFI Ignition Adapter Harness

For Ford enthusiasts looking to upgrade their classic TFI distributor-equipped engine with a modern Holley EFI system, the Holley EFI Ford TFI Ignition Adapter Harness is the perfect bridge. This specialized harness allows for seamless integration of your existing Ford TFI distributor with Holley Avenger, HP, or Dominator EFI systems, eliminating the need for complex rewiring or costly ignition system overhauls. It's designed to provide a direct, reliable connection for accurate ignition control.

Preserve Your TFI, Gain EFI Advantages

The 558-305 adapter harness is engineered to translate the TFI signal into a format compatible with Holley's advanced EFI ECUs. This means you can retain your proven Ford TFI distributor while benefiting from the superior tuning capabilities, fuel efficiency, and performance advantages offered by Holley EFI. The harness features high-quality wiring and connectors, ensuring a robust and interference-free signal path, which is crucial for maintaining precise spark timing and engine stability across all RPMs.

  • Ford TFI Compatibility: Designed for direct connection to Ford TFI distributors.
  • Holley EFI Integration: Works with Avenger, HP, and Dominator EFI systems.
  • Retain Existing Components: Allows use of your current TFI distributor with modern EFI.
  • Reliable Signal Transfer: High-quality construction for accurate ignition control.

Modern EFI for Classic Ford Power

Upgrading to Holley EFI on a Ford TFI equipped engine has never been easier or more reliable. This adapter harness simplifies the conversion process, ensuring that your ignition system communicates flawlessly with your new ECU. The result is improved engine response, enhanced power delivery, and the peace of mind that comes with a professionally integrated system. Experience the best of both worlds – classic Ford power with cutting-edge EFI control – with this essential adapter harness, available from GGCRACING.

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