Upgrade your Ford's ignition system with Holley's 558-305 Ford TFI Ignition Harness, designed for use with Avenger EFI, HP EFI, and Dominator EFI systems. This harness is the key to unlocking enhanced ignition performance and reliability in your vehicle.
Run a Holley ECU. Designed specifically for Ford vehicles, this ignition harness ensures seamless integration with your existing Avenger EFI, HP EFI, or Dominator EFI system. With easy plug-and-play installation, upgrading your ignition system has never been simpler.
Product Benefits:- Allows you to run Holley EFI systems with your Ford.
WARNING: California Residents: Cancer and Reproductive Harm;
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Product Specifications & Vehicle Fitment
Review the product details and confirm compatibility with your vehicle before ordering.
| Specification | Details |
|---|---|
| Installation Difficulty | Tech Recommended |
| Tools Required | Basic Hand Tools |
| Estimated Install Time | (approx.) 1 Hour |
| Vehicle Fitment | 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 |
