Holley EFI 558-506 - Ford Modular 4 Valve EFI Harness Kit
1999-2004 Ford Modular 4 Valve Harness Kit
558-506
This wiring harness interfaces a Holley EFI ECU to a 4V Ford Modular engine. It is meant to be used in conjunction with an injector harness, a coil harness, and ignition modules. Most stock sensors are used with this harness.
Availability: Call to check stock.
Shipping: Free Shipping* On Orders Over $99!
Pricing:
$1,069.95
Description
Harness Kit Includes: Main Power Harness, Ford Modular Main Harness, Ford V8 Injector Harness, Ford Modular 4V Coil Harness, Coil Drivers
Simple Installation
Can be used with HP or Dominator ECU's
Simple Installation
Can be used with HP or Dominator ECU's
California Proposition 65

Notes
NOTICE: You will need to purchase an ECU and O2 Sensor to make this a complete kit. This kit is meant to be used in conjunction with an injector harness, a coil harness and ignition modules.
Software and firmware updates can be downloaded here for free.
Software and firmware updates can be downloaded here for free.
Details
- 558-506
- 558-506
- 090127721384
- Holley EFI
- Call to check stock.
- New
Shipping Information
- Item Requires Shipping
- 9.0 lbs.
- W15.0000” x H5.0000” x L14.0000”
- Free U.S. Continental Shipping
- Free Shipping* On Orders Over $99!
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