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Instruction Sheets for Part Number HLY-558-113
Holley EFI Systems Wiring Harnesses
Wiring Harnesses, Holley EFI, Ford 2V/4V Modular, Main Harness, Multi-Port Fuel Injection, for Holley Smart Coils, HP EFI System, Ford, 4.6-5.4L, Each
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Estimated Ship Date: Oct 19, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
558-113
Part Type:
Product Line:
Summit Racing Part Number:
HLY-558-113
UPC:
090127730638
Fuel Injection Style:
Multi-port
Quantity:
Sold as a kit.
Notes:
Fits 1999-2004 Ford 2 V and 4 V modular engines with smart coils using the HP EFI system.
Holley EFI Systems Wiring Harnesses
Holley offers a variety of direct replacement EFI wiring harnesses, including multi-port, sequential, and throttle body injection styles. These units are made with premium components to ensure better reliability and performance for your ride--and they're compatible with many engine swaps. Holley EFI systems wiring harnesses are sold individually or as a kit; choose the model needed for your fuel injection application.
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Some parts are not legal for use in California or other states with similar laws / regulations
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