• Holley 558-308 Dominator EFI Main Power Wiring Harness
  • Holley 558-308 Dominator EFI Main Power Wiring Harness

Holley 558-308 Dominator EFI Main Power Wiring Harness

$110.95 USD
$110.95 USD
$110.95 USD
Shipping calculated at checkout.

Vendor : HOLLEY

Product Type : Ignitions and Electrical

Sku : HLY558-308

✔ Veteran-Owned Business  |  ✔ Verified Fitment (SEMA Data)  |  ✔ Ships 1–3 Business Days  |  ✔ 30-Day Returns 

EFI Main Power Harness

The Holley 558-308 EFI Main Power Wiring Harness is designed for use with Holley Dominator EFI systems. It provides the main power harness component for the EFI setup and is suitable for applications requiring a dedicated wiring harness solution.

This harness is identified as a main power wiring harness for Holley Dominator EFI. Its application-specific design supports organized integration of the EFI system’s primary power wiring.

The Holley 558-308 is supplied as an individual EFI wiring harness. Refer to the applicable Holley installation information for system-specific wiring and installation requirements.

Features:

  • Application: Designed for Holley Dominator EFI systems
  • Component: EFI main power wiring harness
  • Brand: Holley
  • Part Number: 558-308
  • Packaging: Sold individually