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Home Fuel Injection Harnesses Holley EFI 558-308 MAIN POWER HARNESS
Holley EFI 558-308 MAIN POWER HARNESS
  1. Holley EFI 558-308 MAIN POWER HARNESS

Holley EFI 558-308 MAIN POWER HARNESS

HOL558-308
3 Available

$119.49

Main Power Ignition Harness; For Use w/Avenger EFI/HP EFI/Dominator EFI Systems; 13 ft. Long; 10 AWG Main Power Harness; (2) 3/8 in. Ring Terminals;
This Harness is required with HP or Dominator ECUs. Includes, 13 long, 10 AWG main power harness, Qty. (2) 3/8 ring terminals and shrink tube (not pictured) . The harness is fuse protected and covered in braided split loom for additional abrasion protection.
  • Main Power Ignition Harness
  • For Use w/99-04 Ford Modular w/Smart Coils

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Through our distribution network Deliveries can be as fast as Next Day Delivery.
Delivery times vary by destination, tracking information is provided with every purchase.

Get it Installed

JB's Power Centre offers on-site professional installation services in Calgary and Edmonton, AB.
We have on staff licensed Mechanical Technicians as well as MECP Certified 12-Volt Technicians.

* Extend your products Manufacturer Warranty

All products include a manufacturer warranty, but you can extend this warranty with
JB's Purchase Protection Plan
*Available on select products.