Holley 558-312 HP EFI Smart Coil Ignition Coil Wiring Harness
- Regular price
- $299.95 USD
- Regular price
-
$299.95 USD - Sale price
- $299.95 USD
- Unit price
- per
Vendor : HOLLEY
Product Type : Ignitions and Electrical
Sku : HLY558-312
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✔ Veteran-Owned Business | ✔ Verified Fitment (SEMA Data) | ✔ Ships 1–3 Business Days | ✔ 30-Day Returns
The Holley 558-312 EFI Wiring Harness is designed for Smart Coil ignition coil wiring in Holley HP and Dominator EFI applications. This universal sub-harness provides a dedicated wiring solution for connecting Smart Coil components within a compatible EFI system.
Built for use with Holley HP and Dominator EFI systems, this ignition coil wiring harness is suitable for applications requiring Smart Coil integration. Its universal configuration supports installation flexibility where the appropriate Holley EFI components and system setup are used.
The Holley 558-312 is supplied as an individual EFI wiring harness. Verify system requirements and wiring configuration before installation to ensure it is appropriate for your specific Holley HP or Dominator EFI application.
Features:
- Brand: Holley
- Part Number: 558-312
- Application: Holley HP and Dominator EFI systems
- Function: Smart Coil ignition coil wiring
- Configuration: Universal EFI sub-harness
- Quantity: Each

