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Holley EFI Systems Wiring Harnesses
Holley EFI Systems Wiring Harnesses
Holley EFI Systems Wiring Harnesses
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Holley EFI Systems Wiring Harnesses

Marsoni M251S
Sale price$283.98
Pay 4 payments of $71.00 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Holley EFI Systems Wiring HarnessesThis part is legal for sale or use on Racing Use Only Vehicles The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street. This harness is designed for LS1 6 Engines, from 1997 2004. This harness interfaces with 24x Crank and 1x Cam sensors.
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  • Standard: 3-7 business days
  • Fast: 2-3 business days
  • Express: 1-2 business days

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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.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 1992 reviews
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Product Reviews
M
Verified Purchase
Michael Rispoli
Lowell, US
★★★★★ 5
Perfect for my pool deck
Color: Red
Delivered in the time frame promised. Sturdy and well made. I am very pleased with the color and overall quality.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 19, 2026
D
Verified Purchase
Dots
West Palm Beach, US
★★★★★ 5
A great umbrella $$$
Color: Lime, Color: Lime
I have navy blue with accents of this lime green for a pop of color , this is replacing my umbrella that just broke because I left it up in the wind. This is 10 foot, it tilts easily, the material feels strong and it went together easily. I love it. Definitely would recommend for the price, if it lasted a couple of years I’ve got my moneys worth, I have bought more expensive ones and the canvas still gets destroyed by the sun.. I’ll just buy a new one. Highly recommend!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2026
K
Verified Purchase
Kelly Luckey
Lexington, US
★★★★★ 5
Umbrella works great
Color are vibrant and shade is perfect
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
T
Verified Purchase
Tina Lopez
Birmingham, US
★★★★★ 5
Perfect Umbrella
Color: Royal Blue
I've purchased 7 of these umbrellas to shade my potted plants around my yard and Decks
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 23, 2026
R
Verified Purchase
Ryan
Lexington, US
★★★★★ 1
Weak pole
Color: Cerulean
I don’t think it’s going to hold up to any windy conditions. Moves even in light breeze. Needs a stronger pole for the 10ft size I believe.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026

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