Holley EFI 550-937F Terminator X MPFI System Holley EFI 550-937F
$2,112.07
- Free shipping in Canada
- No duties – Canadian store
- Returns within 30 days of purchase
- Delivery in 2–5 business days
Take control of your engine with Terminator X! Don't settle for a factory ECU with a cumbersome tuning interface when you can have complete control of your engine, self-learning fuel strategies and...
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Take control of your engine with Terminator X! Don't settle for a factory ECU with a cumbersome tuning interface when you can have complete control of your engine, self-learning fuel strategies and the proven, race-winning technology of Holley EFI at a budget-friendly price! Terminator X features real-time fuel learn, high impedance injector drivers, an integrated 1bar MAP sensor, and 4 programmable inputs and outputs. The inputs and outputs are ideal for electric fans, boost control solenoids, progressive nitrous control, and much more. Terminator X comes fully loaded with base maps for common V8 engine combinations to get you out of the garage and on the road/track fast. The 3.5" touch screen LCD handheld contains an easy to use calibration wizard as well as tuning and gauge display functions. Also included is Holley EFI's industry-leading, easy to use software suite that allows full laptop access for advanced users. Whether you are building a budget beater or a boosted race car, Terminator X has the features and technology you need at a price that won't break the bank!
Specifications:
| Notes | Holley Performance Emission Code 3: This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles. The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles: 1965 and older U.S. manufactured California Certified vehicles/1967 and older U.S. manufactured Federally Certified vehicles/1967 and older Foreign manufactured vehicle. The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition and that are not registered and that may never be used on the street. WARNING: It is against the law to install this part on an Emissions Controlled Vehicle. The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles/1968 and newer U.S. manufactured Federally Certified vehicles/1968 and newer Foreign manufactured vehicle |
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Shipping Information
We offer FREE shipping on all orders within Canada. Most orders ship within 1-2 business days.
Standard delivery typically takes 2-5 business days depending on your location.
Returns Policy
We accept returns within 30 days of purchase. Items must be in original condition with all packaging.
For returns or exchanges, please contact our customer service team.

