Holley EFI Main Power Harness
The Holley EFI Main Power Harness is an essential component for ensuring reliable power delivery to your EFI system. Designed specifically for use with Avenger EFI, HP EFI, and Dominator EFI systems, this harness is required when using HP or Dominator ECUs. It includes a durable 13-foot long, 10 AWG main power cable, providing ample length for flexible installation. The harness comes with two 3/8″ ring terminals and shrink tubing, though not pictured, ensuring a secure and professional connection. For added safety, the harness is fuse-protected and is covered in a braided split loom, offering superior abrasion resistance.
- Compatibility: Works with Avenger EFI, HP EFI, and Dominator EFI systems.
- Essential for ECUs: Required when using HP or Dominator ECUs.
- Durable Construction: 13-foot long, 10 AWG power harness ensures robust power delivery.
- Secure Connections: Includes two 3/8″ ring terminals and shrink tube for reliable connections.
- Safety Features: Fuse-protected to prevent electrical issues.
- Abrasion Protection: Covered in braided split loom to withstand harsh environments.








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