Description
Advanced Fuel Injection. The Holley EFI Terminator X Max Fuel Injection System with Drive-By-Wire Throttle Body and Transmission Control for EV6 Fuel Injectors offers complete engine management and tuning flexibility for GM LS engines. This system enables real-time fuel learning and comprehensive control of fuel, ignition, and transmission, making it ideal for high-performance builds and custom engine swaps where precise tuning is essential.
Robust Construction And Finish. The system features a durable, textured finish designed to withstand harsh engine bay conditions, with components engineered to integrate seamlessly with factory and aftermarket LS engine setups. The inclusion of the Bosch LSU 4.9 wideband sensor ensures reliable AFR feedback, all enclosed in a rugged housing for lasting performance.
Installation. Installation requires moderate mechanical skills with no drilling necessary when following the included wiring diagram and calibration wizard. The handheld touchscreen simplifies setup, streamlining engine management integration into your build.
Application. Specifically designed for GM LS engines equipped with EV6 fuel injectors and compatible with 4L60E and 4L80E transmissions featuring drive-by-wire throttle bodies.
Holley EFI 550-928
CA Residents: WARNING: Cancer and Reproductive Harm
- Take Control Of Your LS Engine With Terminator X Max
- Complete Engine Control With Self-Learning Fuel Strategies And Proven Race-Winning Technology
- Real-Time Fuel Map Learn For Base Fuel Table Tuning
- High Impedance Injector Drivers Safe For Most Stock LS Injectors
- Integrated 1bar Map Sensor Suitable For Naturally Aspirated Or Nitrous Engines
- Four Programmable Inputs: 12v, Ground, 5v, Frequency
- Four Programmable Outputs Including Ground And PWM For Accessories
- Boost Control With Boost Vs Time, Gear, And RPM
- Nitrous Control With Single-Channel Wet Or Dry And Rich/Lean Safeties
- Advanced Customizable Tables For Multiple Parameters
- On-Board Diagnostic LEDs For ECU Power Indication
- 3.5 Inch Touchscreen Handheld With Calibration Wizard And Internal Data-Logging
- Designed For GM LS 4.8/5.3/6.0 LS Truck Engines And LS2/LS3 With 58x Crank And 4x Cam
- Supports 4L60E And 4L80E Transmission Control
- Drive-By-Wire Throttle Body Control With EV6 Injectors
- Utilizes Bosch LSU 4.9 Wideband For Accurate AFR Feedback
- Accelerometer And CAN-Bus Support Included
- E85 Fuel Compatibility Supported
- Emission Code 3, Legal For Non-Emissions Controlled Vehicles
- Textured Finish Without Fuel Filter






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