Exterior Components› Body Panels and Components
Holley
Holley EFI COIL HARNESS 4V FORD MODULAR - 558-315
SKU: H00E 558-315
Moderate — 2–4 hours
Description
It is compatible with 4.6L and 5.4L engines from model years 1999-2004. This harness is intended for use with Holley HP EFI and Dominator EFI systems.
Fitment
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Specifications
| Brand | Holley |
| Part Number | H00E 558-315 |
| Weight | 0.7 lb |
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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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