Skip to Content
  • Carrying Over 700 Brands & Shipping Fast Daily!
Racing Warehouse
  • 0
    My Cart
  • 0
    Wishlist
  • Sign in
  • Home
  • Categories
    Air & Fuel
    Air & Fuel
    Brake Systems
    Brakes
    Chassis
    Chassis Parts
    Drivetrain
    Drivetrain
    Engine
    Engine Parts

    Exhaust Systems
    Exhaust
    Exterior & Body
    Exterior
    Fasteners
    Fasteners
    Fittings
    Fittings
    Safety Gear
    Safety
    Racing Warehouse Shop All Products
    Contact us
  • Shop
  • About Us
  • Blog
  • Contact Us
Racing Warehouse
  • 0
  • 0
    • Home
    • Categories
    • Shop
    • About Us
    • Blog
  • Carrying Over 700 Brands & Shipping Fast Daily!
  • Sign in
  • Contact Us
  1. All products
  2. Ignitions and Electrical
  3. Wiring Harnesses
  4. Engine Wiring Harnesses
  5. Holley - EFI Main Power Harness
  6. Engine Wiring Harnesses
Pricelist: - Pricelist
Pricelist: - Pricelist
Holley - EFI Main Power Harness

Holley - EFI Main Power Harness

The Holley EFI Main Power Harness (Part #558-308) is a 13-foot, 10 AWG fuse-protected power harness designed for Avenger EFI, HP EFI, and Dominator EFI systems.
$ 99.85 $ 99.85

Add to cart
Add to wishlist
Terms and Conditions
30-day money-back guarantee
Shipping: 2-3 Business Days
Contact Us

Specification

Brand
Holley
Item Number
HLY558-308
Part Name
EFI Main Power Harness
Length
13 feet
Wire Gauge
10 AWG
Fuse
40 AMP max
Harness Type
Main Battery Power
Harness Application
Universal
Wire Series
Automotive TXL
UPC
090127666791
Weight
1.89 lbs
Dimensions
11.3 x 10.6 x 3.8 inches

Description


The Holley EFI Main Power Harness (Part #558-308) is an essential component for Avenger EFI, HP EFI, and Dominator EFI systems. This 13-foot, 10 AWG harness ensures reliable power delivery and includes two 3/8-inch ring terminals and shrink tubing for secure connections. The fuse-protected design, encased in braided split loom, offers enhanced safety and abrasion resistance. For optimal performance, connect the harness directly to the battery terminals.

Disclaimer


Ensure the Main Power Harness is connected directly to the battery terminals. Do not connect to other locations such as a disconnect switch, starter solenoid, or distribution lug. Improper installation may affect performance and safety.

Racing Warehouse
Home About us Products Tech Articles Get in touch
Follow us
Click here to setup your social networks
Copyright © Racing Warehouse
Bluemax Cloud