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Holley

Holley EFI Systems Wiring Harnesses 558-502 Fuel Injection System Harnesses, EFI, GM LS 58X Crank Sensor, Power, Bosch Injector, Main Harnesses, for HP, Dominator ECUs, Kit

SKU: HLY558-502

Fuel Injection System Wiring Harnesses
Holley EFI Systems Wiring Harnesses 558-502 Fuel Injection System Harnesses, EFI, GM LS 58X Crank Sensor, Power, Bosch Injector, Main Harnesses, for HP, Dominator ECUs, Kit

Holley

Holley EFI Systems Wiring Harnesses 558-502 Fuel Injection System Harnesses, EFI, GM LS 58X Crank Sensor, Power, Bosch Injector, Main Harnesses, for HP, Dominator ECUs, Kit

SKU: HLY558-502

Fuel Injection System Wiring Harnesses
A$2,400.91
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.
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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

Fuel Injection System Wiring Harnesses

Data: v4.2 - Upd: 2026-10-13 18:47:41

Specifications

Product Attributes - Brand
Holley
Product Attributes - Manufacturer's Part Number
558-502
Product Attributes - Part Type
Fuel Injection System Wiring Harnesses
Product Attributes - Product Line
Holley EFI Systems Wiring Harnesses
Product Attributes - UPC
090127721339
Product Attributes - Fuel Injection Style
Multi-port
Product Attributes - Quantity
Sold as a kit.
Product Attributes - Notes
For 58x reluctor engines and Bosch-style injectors. You will need to purchase an ECU and O2 sensor to make a complete kit.

Reference Information

Brand Name/s Holley
StreetFX SKU hly558-502
SFX Item ID 4783070
Supplier Item Code 4783070
Manufacturer SKU 558-502
Manufacturer UPC 90127721339
Alternative References HOL558-502, 58X

Compatibility

Application Data
  • Stock EFI SystemNo
    EFI System ManufacturerHolley
    UniversalNo
    MakeCHEVROLET
    Beginning Year2006
    Ending Year2015
    Engine TypeV8
    Engine Size7.0L/427
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
  • Stock EFI SystemNo
    EFI System ManufacturerHolley
    UniversalNo
    MakeCHEVROLET
    Beginning Year2006
    Ending Year2019
    Engine TypeV8
    Engine Size6.0L/364
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
  • Stock EFI SystemNo
    EFI System ManufacturerHolley
    UniversalNo
    MakeCHEVROLET
    Beginning Year2008
    Ending Year2017
    Engine TypeV8
    Engine Size6.2L/376
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
  • Stock EFI SystemNo
    EFI System ManufacturerHolley
    UniversalNo
    MakeCHEVROLET
    Beginning Year2006
    Ending Year2015
    Engine TypeV8
    Engine Size7.0L/427
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
  • Stock EFI SystemNo
    EFI System ManufacturerHolley
    UniversalNo
    MakeCHEVROLET
    Beginning Year2006
    Ending Year2019
    Engine TypeV8
    Engine Size6.0L/364
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
  • Stock EFI SystemNo
    EFI System ManufacturerHolley
    UniversalNo
    MakeCHEVROLET
    Beginning Year2008
    Ending Year2017
    Engine TypeV8
    Engine Size6.2L/376
    Engine FamilyChevy small block Gen III/IV (LS-based engines)

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