Exterior Components› Body Panels and Components
Holley
MAIN POWER HARNESS FOR AVENGER, EFI, HP
SKU: H00E 558-308
Moderate — 2–4 hours
Description
Part #: 558-308
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 Harness for Avenger EFI, HP EFI, & Dominator EFI
MIA's Description
Fitment
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Specifications
| Brand | Holley |
| Part Number | H00E 558-308 |
| Weight | 1.4 lb |
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Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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