Skip to content

Holley EFI Terminator EFI ECU

Marsoni M251S
Sale price$878.98
Pay 4 payments of $219.75 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Holley EFI Terminator EFI ECUAn EFI System so easy and powerful you'll think it's alive! Simply bolt it on, feed it a few basic answers and let Terminator EFI take control of your ride! Features Designed for GM LS Gen III and IV engines equipped with GM LS3 L92 cylinder heads Engineered for forced induction (supercharged or turbocharged) engine applications with peak power at 7000 8000 rpm depending on the application. Low height to fit under a stock or mildly modified hood in
Easy Shipping

Quick Dispatch:

Your Holley EFI Terminator EFI ECU 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 Holley EFI Terminator EFI ECU ships.

Need Help?
Questions about Holley EFI Terminator EFI ECU, 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 Holley EFI Terminator EFI ECU 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 1189 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
O
Verified Purchase
Oscar caballero
Dallas, US
★★★★★ 5
1995 out board mariner 150hp water pump kit
Color: Black
Well This looks like is a good quality product thanks
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 28, 2024
B
Verified Purchase
Bo
Belleville, US
★★★★★ 5
Value
Color: Black
Quality
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 30, 2025
A
Verified Purchase
Amazon Customer
Lexington, US
★★★★★ 5
the complete package
Color: Black
all the parts needed and then some.... you tube the install ... up and running in no time
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 29, 2024
S
Verified Purchase
steve
Lake Worth, US
★★★★★ 2
Loose
Color: Black
Water tube fits to loose
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 3, 2024
K
Verified Purchase
Kris W Cayton
Lowell, US
★★★★★ 5
Great quality and price
Perfect fit. Received quicker than boat shop
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 22, 2025

recommand products