Description
Holley EFI Terminator X – GM LS1/LS6
The Holley EFI Terminator X – GM LS1/LS6 is a powerful, user-tuneable standalone EFI system designed specifically for GM LS1 and LS6 engines with 24x crank reluctor and EV1 injectors. It delivers real-time fuel learning, advanced boost and nitrous control, and wideband AFR feedback to optimize performance and reliability for street and track applications.
Key Features
- Real-time fuel map learning for precise tuning
- High impedance injector drivers compatible with stock LS and Holley EFI injectors
- Integrated 1bar MAP sensor ideal for naturally aspirated or nitrous setups
- Advanced boost control with multiple boost strategies and safeties
- Progressive wet and dry nitrous control with rich/lean safeties
- Supports coil-per-cylinder ignition and individual cylinder fuel corrections
- Includes 3.5″ touchscreen handheld with calibration wizard and data logging
- Plug-and-play compatibility with Holley EFI accessories and gauges
- Free Holley EFI tuning software for complete engine management control
Fitment
- GM LS1 and LS6 engines with 24x crank reluctor and EV1 injectors
Note: Verify compatibility with your engine setup before ordering. Requires user tuning and proper installation for optimal performance. Supports forced induction with optional 2+ bar MAP sensor adapter sold separately.





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