Holley EFI Terminator X Max GM Gen V LT Direct Injection Kit – Early

Holley EFI Terminator X Max GM Gen V LT Direct Injection Kit – Early

The Holley EFI Terminator X Max GM Gen V LT Direct Injection Kit – Early puts you in full control of your GM Gen V LT1, L83, or L86 engine with plug-and-play EFI, direct injection, and variable valve timing support. Designed for early Gen V LT engines with a 4-pin fuel pressure sensor, this kit features a 3.5” handheld touchscreen for quick setup and tuning, making it ideal for engine swaps, street builds, or boosted applications.

Key Features

• Complete GM Gen V LT engine control including GDI and VVT with factory injector and fuel pump tuning
• Integrated 1bar MAP sensor with vacuum hose adapters; supports external MAP sensor for boost
• 3.5” handheld touchscreen with step-by-step calibration wizard and real-time fuel learn
• Supports drive-by-wire throttle bodies, 4L60/4L80 transmissions, and advanced boost control
• Four programmable inputs and outputs for fans, nitrous, boost control, and more
• Genuine Bosch LSU 4.9 wideband oxygen sensor control and on-board diagnostic LEDs
• Supports wet/dry nitrous, progressive nitrous control, knock retard, and coil-per-cylinder ignition
• Includes engine harness that plugs directly into factory LT DI injector sub harness
• Free Holley EFI tuning software for advanced laptop tuning and data logging
• Self-tuning and user-tuneable for easy customization and performance optimization

Fitment

• Early GM Gen V LT engines (LT1, L83, L86) with 4-pin fuel pressure sensor
• Ideal for engine swaps into vintage vehicles or upgrading factory EFI systems

Note: Verify your engine’s fuel pressure sensor connector before ordering to ensure compatibility. Fuel pump, injectors, and other hardware are not included. Advanced tuning and installation knowledge recommended.