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 is a plug-and-play engine management system designed to give you full control of your GM Gen V LT1, L83, or L86 engine. Perfect for budget builds or high-performance swaps, it supports direct injection, variable valve timing, and drive-by-wire throttle bodies. With advanced self-learning fuel strategies and comprehensive tuning capabilities, this kit delivers race-proven EFI technology in an easy-to-use handheld and software package.

Key Features

• Plug-and-play control for GM Gen V LT engines with direct injection and VVT support
• 3.5″ handheld touchscreen with step-by-step calibration wizard and real-time fuel learning
• Supports GM LS/LT drive-by-wire throttle body and 4L60E/4L80E transmission control
• Integrated 1bar MAP sensor with external MAP sensor support for boosted applications
• Four programmable inputs and outputs for fans, nitrous, boost control, and more
• Wet and dry nitrous control with progressive and multi-stage capabilities
• Genuine Bosch LSU 4.9 wideband controller and advanced data logging via handheld SD card
• Comprehensive software suite for laptop tuning and diagnostics included

Fitment

• GM Gen V LT1, L83, and L86 engines with early style direct injection fuel rail pressure sensor (4-pin connector)
• Ideal for late model LT engine swaps into vintage vehicles or performance builds

Note: Verify your engine’s fuel pressure sensor connector to confirm early application fitment. Fuel injectors, fuel pump, fuel hose, and mounting hardware are not included. Advanced tuning knowledge or professional support is recommended for optimal setup.