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Main Power Harness

Main Power Harness for Avenger EFI, HP EFI, & Dominator EFI

PART# 558-308

Suggested Retail: $64.86
Your Price:$58.37
Free Shipping on orders over $100*
Qty: 
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 .
BrandHolley EFI
Fuse40 AMP max
Harness TypeMain Battery Power
Product TypeEFI Part
Wire Diameter10 awg
Wire Length13 Feet
Wire SeriesAutomotive TXL
The Main Power Harness MUST be connected directly to the Battery terminals. Do not connect them to any other location such as a disconnect switch, starter solenoid or distribution lug. The harness length is 13 feet. If you need to extend the length do so with 8 AWG or larger multi-strand wire. EFI Dealer/Installer - Do you want a Holley EFI system installed? Do you need a custom kit built for your application? Check out our EFI dealer network to find the nearest dealer! Holley EFI Support Forums
    *Free Shipping & Handling only offered to the continental US on orders over $100.