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Holley EFI Systems Main Wiring Harnesses 558-128 Fuel Injection System Components, EFI, Harness, Plug-and-Play, Factory PWM/IAC Connectors, with OE Injectors, Ford, Mustang, 5.0L, Each

Holley EFI Systems Main Wiring Harnesses 558-128 Fuel Injection System Components, EFI, Harness, Plug-and-Play, Factory PWM/IAC Connectors, with OE Injectors, Ford, Mustang, 5.0L, Each

A$1,219.07
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

Choose EFI main power wiring harnesses from Holley to meet your needs. Several choices are offered—TBI, LS applications, multi-point, and un-terminated harnesses—to feed and carry your engine's electrical supply. Get wired for electronic fuel injection with Holley EFI systems main wiring harnesses.

Part Type

Engine Main Harness Ford 5.0L/5.8L

Data: v4.2 - Upd: 2026-10-13 18:48:04

Specifications

Product Attributes - Brand
Holley
Product Attributes - Manufacturer's Part Number
558-128
Product Attributes - Part Type
Fuel Injection System Components
Product Attributes - Product Line
Holley EFI Systems Main Wiring Harnesses
Product Attributes - UPC
090127074428
Product Attributes - Fuel Injection System Component Type
Main wiring harness
Product Attributes - Remanufactured
No
Product Attributes - Quantity
Sold individually.

Reference Information

Brand Name/s Holley
StreetFX SKU hly558-128
SFX Item ID 4782430
Supplier Item Code 4782430
Manufacturer SKU 558-128
Manufacturer UPC 90127074428
Alternative References HOL558-128, 5.0L

Compatibility

Application Data
  • UniversalNo
    MakeFORD
    ModelMUSTANG
    SubmodelGT-350 20TH ANNIVERSARY
    Beginning Year1984
    Ending Year1984
    Engine TypeV8
    Engine Size5.0L/302
    Engine FamilyFord small block Windsor
    Fuel Injection Kit ManufacturerHolley
    Fuel Injection ConfigurationMFI
  • UniversalNo
    MakeFORD
    ModelMUSTANG
    SubmodelGT
    Beginning Year1983
    Ending Year1993
    Engine TypeV8
    Engine Size5.0L/302
    Engine FamilyFord small block Windsor
    Fuel Injection Kit ManufacturerHolley
    Fuel Injection ConfigurationMFI
  • UniversalNo
    MakeFORD
    ModelMUSTANG
    SubmodelL
    Beginning Year1984
    Ending Year1984
    Engine TypeV8
    Engine Size5.0L/302
    Engine FamilyFord small block Windsor
    Fuel Injection Kit ManufacturerHolley
    Fuel Injection ConfigurationMFI
  • UniversalNo
    MakeFORD
    ModelMUSTANG
    SubmodelLX
    Beginning Year1984
    Ending Year1993
    Engine TypeV8
    Engine Size5.0L/302
    Engine FamilyFord small block Windsor
    Fuel Injection Kit ManufacturerHolley
    Fuel Injection ConfigurationMFI
  • UniversalNo
    MakeFORD
    ModelMUSTANG
    SubmodelSVT COBRA
    Beginning Year1993
    Ending Year1993
    Engine TypeV8
    Engine Size5.0L/302
    Engine FamilyFord small block Windsor
    Fuel Injection Kit ManufacturerHolley
    Fuel Injection ConfigurationMFI
  • UniversalNo
    MakeFORD
    ModelMUSTANG
    SubmodelSVT COBRA R
    Beginning Year1993
    Ending Year1993
    Engine TypeV8
    Engine Size5.0L/302
    Engine FamilyFord small block Windsor
    Fuel Injection Kit ManufacturerHolley
    Fuel Injection ConfigurationMFI

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