Holley 558-401 Dominator EFI J2A Auxiliary Connector Wiring Harness
- Regular price
- $242.95 USD
- Regular price
-
$242.95 USD - Sale price
- $242.95 USD
- Unit price
- per
Vendor : HOLLEY
Product Type : Ignitions and Electrical
Sku : HLY558-401
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✔ Veteran-Owned Business | ✔ Verified Fitment (SEMA Data) | ✔ Ships 1–3 Business Days | ✔ 30-Day Returns
The Holley 558-401 Auxiliary Harness J2A Connector is designed for use with Holley Dominator EFI systems. This universal EFI wiring harness provides a dedicated J2A auxiliary connector harness for applicable installation and wiring needs.
Built as a harness assembly, the Holley 558-401 offers a practical solution for organizing auxiliary connections within a Dominator EFI setup. Its universal designation makes it suitable for applications where the corresponding Holley Dominator EFI J2A auxiliary connector harness is required.
Use the part number 558-401 to identify this Holley auxiliary harness when selecting components for an EFI wiring project. The product is supplied as a kit and is not designated as air restricted or truck freight only.
Features:
- Brand: Holley
- Part Number: 558-401
- Application: Holley Dominator EFI
- Harness Type: J2A auxiliary connector harness
- Configuration: Universal
- Packaging: Kit
- Shipping Attributes: Not air restricted and not truck freight only

