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

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

The Holley EFI Terminator X Max GM Gen V LT Direct Injection Kit – Late provides complete engine control for late model GM Gen V LT1, L83, and L86 engines with direct injection and variable valve timing support. Designed for enthusiasts swapping these engines into classic vehicles or building performance projects, this plug-and-play system includes a 3.5” handheld touchscreen with a calibration wizard, making setup fast and straightforward while delivering advanced tuning features and boost, nitrous, and transmission control.

Key Features

• Complete plug-and-play control for GM Gen V LT engines with GDI and VVT support
• 3.5” handheld touchscreen with step-by-step calibration wizard and gauge display
• Support for GM LS/LT drive-by-wire throttle body and 4L60E/4L80E transmission control
• Integrated 1 bar MAP sensor plus support for external MAP sensors on boosted setups
• 4 programmable inputs and outputs for electric fans, boost control, nitrous, and more
• Built-in wideband oxygen sensor control (Bosch LSU 4.9) and advanced data logging
• Boost and multi-stage progressive nitrous control with closed loop AFR safeties
• Supports OEM fuel injectors, coil-per-cylinder ignition, knock retard, and E85 fuel
• Includes external Gasoline Direct Injection controller for late Gen V LT fuel rail pressure sensor

Fitment

• Late model GM Gen V LT1, L83, and L86 engines with late-style fuel rail pressure sensor (3-pin)
• Ideal for engine swaps into vintage vehicles or performance builds requiring direct injection control

Note: Verify your engine’s fuel pressure sensor connector to ensure correct kit selection. Installation requires basic mechanical and tuning knowledge. Fuel injectors, fuel pump, and mounting hardware are not included.