Installation Time
(approx) 3 Hours
Difficulty Level:
Mechanical expertise or professional installation required.
Installation Guides
No guide available for this part yet.
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Holley EFI Terminator X GM Gen V LT GDI Controller (Universal; Some Adaptation May Be Required)
Item CV14686
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Product Information
Features, Description, Q&A, Specs & Installation
Features
- Service GDI Controller For Terminator X GM Gen V LT
- Legal For Sale Or Use On Racing Use Only Vehicles
- Compatible With GM Gen V LT4, LT1, L83, And L86 Engines
- Features Real-Time Fuel Learn And Integrated 1bar MAP Sensor
- Includes Four Programmable Inputs And Outputs For Fans, Boost, And Nitrous Control
- Comes With Base Maps For Common LT Engine Combinations
- Handheld 3.5-Inch Touch Screen LCD With Calibration Wizard And Gauge Display
- External Gasoline Direct Injection Controller Included
- Supports Control And Tuning Of Factory Injectors, Variable Valve Timing, And Fuel Pumps
- Compatible Only With Terminator X Or X Max ECUs
- Plug And Play Installation
- Not Recommended For Marine Applications; Suitable For Off-Road With Proper Protection
- Fits Universal; Some Adaptation May Be Required. Not Legal For Street Use Or Emissions Controlled Vehicles
Description
Advanced Engine Control. The Holley EFI Terminator X GM Gen V LT GDI Controller is designed to give complete command over your GM Gen V LT engine, including LT4, LT1, L83, and L86 variants. This controller replaces the factory ECU's limitations, providing real-time fuel learning and programmable inputs and outputs tailored for performance and versatility. It's an essential upgrade for those seeking precision tuning and enhanced engine management in racing and off-road applications.
Durable Construction. Constructed with high-quality materials to withstand demanding environments, the controller features a robust design complemented by LED indicators for status monitoring. The unit includes an integrated 1bar MAP sensor and the external GDI controller is engineered to seamlessly integrate with GM�s direct injection systems. The interface includes a 3.5-inch touchscreen LCD handheld with an intuitive calibration wizard, all finished with a polished, functional design built for ease of use and durability.
Installation. Installation is designed to be plug-and-play, minimizing the need for complex wiring or modifications. No drilling is required, making it suitable for professional installers and experienced enthusiasts seeking a straightforward swap out of the factory ECU.
Application. Fits Universal; Some Adaptation May Be Required. This controller is intended exclusively for racing use on engines equipped with GM Gen V LT family GDI and VVT systems. It is not legal for street use or any vehicle subject to emissions regulations, therefore should not be installed on emissions-controlled or street-registered vehicles.
Holley EFI 554-150
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation & What's in the Box
Installation Info
What's in the Box
- (1) Terminator X GM Gen V LT GDI Controller
4.3
Reviews of Holley EFI Engine Products (2)
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