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Holley

Holley EFI Systems Wiring Harnesses 558-105 Harnesses, EFI, Universal, Unterminated, Main Harness, Multi-port Fuel Injection, for HP, Dominator, Systems, with Connectors, Each

SKU: HLY558-105

Fuel Injection System Wiring Harnesses
Holley EFI Systems Wiring Harnesses 558-105 Harnesses, EFI, Universal, Unterminated, Main Harness, Multi-port Fuel Injection, for HP, Dominator, Systems, with Connectors, Each

Holley

Holley EFI Systems Wiring Harnesses 558-105 Harnesses, EFI, Universal, Unterminated, Main Harness, Multi-port Fuel Injection, for HP, Dominator, Systems, with Connectors, Each

SKU: HLY558-105

Fuel Injection System Wiring Harnesses
A$1,184.89
LOW STOCK! Est Ship 4-7 days. HURRY! LOW STOCK. This item is in limited stock at one of our distribution centres. The ETA is the approximate time required to prepare your order for dispatch.
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Description

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.

Part Type

Main Harness - Univesal Un-Terminated

Data: v4.2 - Upd: 2026-10-17 02:05:29

Specifications

Product Attributes - Brand
Holley
Product Attributes - Manufacturer's Part Number
558-105
Product Attributes - Part Type
Fuel Injection System Wiring Harnesses
Product Attributes - Product Line
Holley EFI Systems Wiring Harnesses
Product Attributes - UPC
090127666753
Product Attributes - Fuel Injection Style
Multi-port
Product Attributes - Quantity
Sold as a kit.
Product Attributes - Notes
Universal un-terminated main harness. Terminals come with harness but are not attached.

Reference Information

Brand Name/s Holley
StreetFX SKU hly558-105
SFX Item ID 4783202
Supplier Item Code 4783202
Manufacturer SKU 558-105
Manufacturer UPC 90127666753
Alternative References HOL558-105

Compatibility

Application Data
  • Stock EFI SystemNo
    UniversalYes
    Application NotesFor use with Holley Dominator and HP Multi port EFI systems.
  • Stock EFI SystemNo
    UniversalYes
    Application NotesFor use with Holley Dominator and HP Multi port EFI systems.

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