Description
Holley EFI Terminator X – Gen III 4.8/5.3/6.0 GM Truck Engines
The Holley EFI Terminator X – Gen III 4.8/5.3/6.0 GM Truck Engines is a complete stand-alone EFI system designed specifically for GM LS engines with a 24x crank reluctor and Multec 2 injectors. It delivers advanced tuning capabilities, self-learning fuel strategies, and integrated boost and nitrous control, making it the ideal upgrade for domestic V8 truck enthusiasts looking to maximize power and drivability.
Key Features
- Real-time fuel map learning for precise tuning without guesswork
- High impedance injector drivers compatible with stock LS and Holley EFI injectors
- Integrated 1 bar MAP sensor with vacuum hose adapters included
- 4 programmable inputs and outputs for electric fans, boost control, nitrous, and more
- Supports boost control with multiple strategies and safeties
- Wet and dry nitrous control with multi-stage and progressive options
- On-board diagnostic LEDs for quick engine status checks
- Includes 3.5″ touchscreen handheld with calibration wizard and data logging
- Compact ECU design for flexible mounting options
- Plug and play compatibility with Holley EFI accessories and free tuning software
Fitment
- GM Gen III LS truck engines: 4.8L, 5.3L, and 6.0L
- Engines equipped with 24x crank reluctor and Multec 2 injectors
Note: Verify compatibility with your specific engine and wiring before ordering. Installation requires basic EFI knowledge, and tuning adjustments may be necessary to optimize performance for your application.





Reviews
There are no reviews yet.