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Holley Drive-By-Wire Throttle Body Wiring Harnesses 558-422 Fuel Injection System Harnesses, EFI, Ford Coyote, Harness, Multi-port Style, for HP/Dominator EFI System, Ford, 5.0L, Kit

Holley Drive-By-Wire Throttle Body Wiring Harnesses 558-422 Fuel Injection System Harnesses, EFI, Ford Coyote, Harness, Multi-port Style, for HP/Dominator EFI System, Ford, 5.0L, Kit

A$719.49
IN STOCK! Est Ship 4-7 days. This item is IN STOCK at one of our warehouses or distribution centres, the ETA is the approximate time required to prepare your order for dispatch.
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Description

IMPORTANT NOTICE: Designed for use with Holley HP EFI or Dominator EFI only, will not work with factory ECU.

Holley drive-by-wire throttle body wiring harnesses are designed for use with the Holley Dominator ECU, as well as the factory drive-by-wire throttle body. These harnesses feature pre-terminated connections, ensuring true plug-n-play installation.

Part Type

Fuel Injection System Wiring Harnesses

Data: v4.2 - Upd: 2026-10-13 18:48:03

Specifications

Product Attributes - Brand
Holley
Product Attributes - Manufacturer's Part Number
558-422
Product Attributes - Part Type
Fuel Injection System Wiring Harnesses
Product Attributes - Product Line
Holley Drive-By-Wire Throttle Body Wiring Harnesses
Product Attributes - UPC
090127713921
Product Attributes - Fuel Injection Style
Multi-port
Product Attributes - Quantity
Sold as a kit.
Product Attributes - Notes
Designed for use with Holley HP EFI or Dominator EFI only, will not work with factory ECU.

Reference Information

Brand Name/s Holley
StreetFX SKU hly558-422
SFX Item ID 4782551
Supplier Item Code 4782551
Manufacturer SKU 558-422
Manufacturer UPC 90127713921
Alternative References HOL558-422, 5.0L

Compatibility

Application Data
  • Stock EFI SystemNo
    EFI System ManufacturerHolley
    UniversalNo
    MakeFORD
    ModelF-150
    SubmodelFX2
    Beginning Year2011
    Ending Year2014
    Engine TypeV8
    Engine Size5.0L/302
    Engine FamilyFord modular V8
  • Stock EFI SystemNo
    EFI System ManufacturerHolley
    UniversalNo
    MakeFORD
    ModelF-150
    SubmodelFX4
    Beginning Year2011
    Ending Year2014
    Engine TypeV8
    Engine Size5.0L/302
    Engine FamilyFord modular V8
  • Stock EFI SystemNo
    EFI System ManufacturerHolley
    UniversalNo
    MakeFORD
    ModelF-150
    SubmodelKING RANCH
    Beginning Year2011
    Ending Year2014
    Engine TypeV8
    Engine Size5.0L/302
    Engine FamilyFord modular V8
  • Stock EFI SystemNo
    EFI System ManufacturerHolley
    UniversalNo
    MakeFORD
    ModelF-150
    SubmodelLARIAT
    Beginning Year2011
    Ending Year2014
    Engine TypeV8
    Engine Size5.0L/302
    Engine FamilyFord modular V8
  • Stock EFI SystemNo
    EFI System ManufacturerHolley
    UniversalNo
    MakeFORD
    ModelF-150
    SubmodelPLATINUM
    Beginning Year2011
    Ending Year2014
    Engine TypeV8
    Engine Size5.0L/302
    Engine FamilyFord modular V8
  • Stock EFI SystemNo
    EFI System ManufacturerHolley
    UniversalNo
    MakeFORD
    ModelF-150
    SubmodelSTX
    Beginning Year2011
    Ending Year2014
    Engine TypeV8
    Engine Size5.0L/302
    Engine FamilyFord modular V8
  • Stock EFI SystemNo
    EFI System ManufacturerHolley
    UniversalNo
    MakeFORD
    ModelF-150
    SubmodelXL
    Beginning Year2011
    Ending Year2014
    Engine TypeV8
    Engine Size5.0L/302
    Engine FamilyFord modular V8
  • Stock EFI SystemNo
    EFI System ManufacturerHolley
    UniversalNo
    MakeFORD
    ModelF-150
    SubmodelXLT
    Beginning Year2011
    Ending Year2014
    Engine TypeV8
    Engine Size5.0L/302
    Engine FamilyFord modular V8
  • Stock EFI SystemNo
    EFI System ManufacturerHolley
    UniversalNo
    MakeFORD
    ModelMUSTANG
    SubmodelBOSS 302
    Beginning Year2012
    Ending Year2013
    Engine TypeV8
    Engine Size5.0L/302
    Engine FamilyFord modular V8
  • Stock EFI SystemNo
    EFI System ManufacturerHolley
    UniversalNo
    MakeFORD
    ModelMUSTANG
    SubmodelGT
    Beginning Year2011
    Ending Year2014
    Engine TypeV8
    Engine Size5.0L/302
    Engine FamilyFord modular V8

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