Skip to content

Power Harness Wire Extension 60" for Holley EFI

Marsoni M251S
Sale price$78.99
Pay 4 payments of $19.75 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Power Harness Wire Extension 60" for Holley EFIPower Harness Wire Extension 60" Compatible with Holley EFI Systems: Avenger EFI, HP EFI, Terminator X, and Dominator EFI Sealed, crimped and assembled in Wichita Kansas, with USA made, OEM grade, TXL wire Every assembly is individually hand tested to ensure it exceeds OEM standards Used with Holley EFI systems to extend the original power harness 60" to reach more convenient ECU locations Compatible with Holley EFI systems: Avenger EFI, HP EFI,
Easy Shipping

Quick Dispatch:

Your Power Harness Wire Extension 60" for Holley EFI orders ship within 1-2 business days.

Delivery Options:

  • Standard: 3-7 business days
  • Fast: 2-3 business days
  • Express: 1-2 business days

Order Tracking:

You'll receive a tracking link by email once your Power Harness Wire Extension 60" for Holley EFI ships.

Need Help?
Questions about Power Harness Wire Extension 60" for Holley EFI, sizing, or delivery? We're just an email away.

Live Shipping Estimates:
Enter your location at checkout to see available shipping methods and costs for Power Harness Wire Extension 60" for Holley EFI in your area.

Get Shipping Estimates

Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 2005 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
S
Verified Purchase
shelby landrum
Waukegan, US
★★★★★ 5
True to size!
Size: 7 Years, Color: Black
Worked perfectly for my 6 year old for my wedding
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 29, 2025
R
Verified Purchase
Rikki Klemm
Charlottesville, US
★★★★★ 3
Failed Quality Check
The construction is nice and the color and size are good. I like that it has functional pockets. I’m giving three stars based on the fact that it arrived dirty. There are stains in two spots and will need to be spot treated before washing.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 20, 2026
A
Verified Purchase
Amazon Customer
Bozeman, US
★★★★★ 5
Great product for the price
Size: 4T, Color: Black
Great product for the price
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 4, 2022
A
Verified Purchase
Amazon Customer
Houston, US
★★★★★ 5
Good quality
Was used for a costume, it fit my little boy really well & held up great despite washing multiple times
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 10, 2019
A
Verified Purchase
Alicia Myers
Pawtucket, US
★★★★★ 5
Kindergarten prom
Size: 4, Color: Burgundy, Size: 4, Color: Burgundy
Item was very nice, it came quickly and he wore it to his lil prom yesterday. Will reorder in the future.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 29, 2026

recommand products