$899.95

Wiring Harnesses, Holley EFI, Gen III Hemi, Throttle Position, Idle Air Controls, Factory Connectors, Chrysler, Dodge, Jeep, Hemi, Early Model, Each
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Holley EFI Systems Wiring Harnesses 558-115

Holley EFI Systems Wiring Harnesses 558-115

HLY-558-115

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Part Number: HLY-558-115

Estimated Ship Date: Nov 2, 2026

$899.95

Estimated Ship Date: Nov 2, 2026 Would you rather pick it up?

Overview

Brand:
Manufacturer's Part Number:
558-115
Part Type:
Product Line:
Summit Racing Part Number:
HLY-558-115
UPC:
090127727447
Fuel Injection Style:
Multi-port
Quantity:
Sold as a kit.
Notes:
Fits early Gen III HEMI engines. Connectors are designed for Holley 4 BBL style throttle bodies. If using a different throttle body, you may have to change the pins and connectors.

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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Instructions & Calculators

Instruction Sheets for Part Number HLY-558-115

Some parts are not legal for use in California or other states with similar laws / regulations

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