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Holley Replacement Fuel Injector Wiring Harnesses 558-212 Injection System Harnesses, EFI, Replacement, Ford V8, Evenly Spaced, Harness, USCAR/EV6, for HP, Dominator EFI, Each

Holley Replacement Fuel Injector Wiring Harnesses 558-212 Injection System Harnesses, EFI, Replacement, Ford V8, Evenly Spaced, Harness, USCAR/EV6, for HP, Dominator EFI, Each

A$502.87
LOW STOCK! Est Ship 4-7 days. In stock at 2 locations (9 available)

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Description

EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each


Data: v2 - Desc: v4.2 - Upd: 2026-11-08 02:17:27

Data: v4.2 - Upd: 2026-11-08 06:31:04

Features

Vehicle Compatibility and Return Conditions.

This item was designed and engineered in the USA for US domestic vehicles. OBD tools, ECUs, dongles, programmers, and tuners may have limited compatibility with vehicles outside the USA due to regional differences in emission standards and system configurations. Some features and functionality may vary depending on the vehicle and location.

Some electronic tuning devices and programmers require activation, registration, or pairing with a specific vehicle’s VIN (Vehicle Identification Number). Once activated or paired, these devices may become permanently associated with that vehicle, restricting or preventing their use on another vehicle, resticting our ability to offer returns or exchanges.

Please review the product details and images to ensure it meets your needs. For clarification or assistance, feel free to contact a StreetFX agent. Note: Returns are not accepted for special order or tuning products unless the unit is deemed faulty.

(keyword: efi)

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Holley, Hilborn, Holley Efi, Retrobright, Terminator X
StreetFX SKU hly558-212
SFX Item ID 4784468
Accounting SKU hly-558-212
Manufacturer SKU 558-212
Manufacturer UPC 090127712870
Alternative References 558-212, HLY-558-212, HOL558-212

Fuel Injection System Wiring Harnesses, Holley EFI, Replacement, Ford V8, Evenly Spaced, Injector Harness, USCAR/EV6, for HP, Dominator EFI, Each

These Holley replacement fuel injector wiring harnesses are replacements for the 8-cylinder injector harnesses. They connect the main harness to the injectors, routing the wires over the rail and making replacement a snap!

Product Attributes
BrandHolley
Manufacturer's Part Number558-212
Part TypeFuel Injection System Wiring Harnesses
Product LineHolley Replacement Fuel Injector Wiring Harnesses
UPC090127712870
Fuel Injection StyleMulti-port
QuantitySold as a kit.
NotesDesigned to fit Holley HP EFI or Dominator EFI with USCAR style injectors.

Compatibility

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