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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,
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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4.2 ★★★★★
Based on 714 reviews
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Verified Purchase
Ailyn
Charlottesville, US
★★★★★ 5
Bueno
Lo recomiendo
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 21, 2026
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Verified Purchase
J. F. Aviles Sr.
Cuba, US
★★★★★ 5
Good Relay
Works very well
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Reviewed in the United States on August 27, 2024
P
Verified Purchase
Pete l.
Alexandria, US
★★★★★ 3
Functional. Be careful when tightening nuts...strips very easy
Quality is questionable. The poles will strip way to easy. So be careful when fighting down. I had to use a stack of washers on top of wire to keep the nut tight. As far as functionality goes ..been doing great for over a month.
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Reviewed in the United States on March 6, 2025
P
Verified Purchase
Parish L. Wilson
Bozeman, US
★★★★★ 5
Well needed
Great for the price
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Reviewed in the United States on January 28, 2026
G
Verified Purchase
Gordon
Lake Worth, US
★★★★★ 4
Happy happy
Not bad kind of pricey that's all definitely would buy from them again
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Reviewed in the United States on February 4, 2026

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