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Holley EFI Ford 2V & 4V Modular Main Harness 558-108

Holley EFI Ford 2V & 4V Modular Main Harness 558-108
$1,286.99 ea

NEWARRIVING SOONEstimated Ship Date 07/23/2025 (If Ordered Today)7 Available from HOLLEY PERFORMANCE PRODUCTS as of 07/05/2025
Model: 4007769
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Main harness for 99-04 2 & 4 Valve Ford Modular (4.6 & 5.4L) Engines.
About Holley Performance Products

Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every Monster Energy NASCAR Cup team and nearly every NHRA Pro-Stock champion for four decades. Now, Holley EFI products power these cars and are dominating the performance world. Holley products for GM's popular LS engine are dominating the LS scene as well. Holley's products also include performance fuel pumps, intake manifolds and engine dress-up products for street performance, race and marine applications. As a single solution or partnered with products from other Holley companies we can give you the edge you need over the competition!

Downloads:

Download Name File Size
199r10724rev1.pdf487.08KB
199r12028.pdf369.54KB
techlibrary_199r11401.pdf209.02KB
558-108_ford_2v_and_4v_main_harness_diagram.pdf19.57MB

Videos:

Specifications:

Emission Code 4
Harness Application Ford
Harness Type Main
Part Type Fuel Injection Harness
Product Type Ford Modular Main Engine Harness

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