Holley EFI Terminator X Max – Gen III 4.8/5.3/6.0 GM Truck Engines

Holley EFI Terminator X Max – Gen III 4.8/5.3/6.0 GM Truck Engines

The Holley EFI Terminator X Max – Gen III 4.8/5.3/6.0 GM Truck Engines is a complete engine management system designed specifically for GM LS truck engines with 24x crank reluctor, drive-by-wire throttle control, and 4L60E/4L80E transmission integration. It offers advanced self-learning fuel strategies and user-tuneable features to simplify tuning while delivering reliable, race-proven performance.

Key Features

• Real-time fuel map learning for accurate base tuning
• High impedance injector drivers supporting Multec 2 injectors
• Integrated 1bar MAP sensor ideal for naturally aspirated or nitrous applications
• 4 programmable inputs and 4 outputs for accessories like fans, boost control, and nitrous
• Supports boost control with multiple strategies and safety features
• Single channel wet or dry nitrous control with progressive options
• Includes 3.5″ full-color touchscreen handheld with calibration wizard and data logging
• Compact ECU with onboard diagnostic LEDs for quick troubleshooting
• Plug-and-play compatibility with Holley EFI accessories and software

Fitment

• GM Gen III LS truck engines 4.8L, 5.3L, and 6.0L with 24x crank reluctor
• Compatible with 4L60E and 4L80E transmissions
• Designed for drive-by-wire throttle bodies and Multec 2 injectors

Note: Verify compatibility with your specific engine and transmission setup before ordering. Installation requires basic wiring knowledge and tuning via handheld or laptop software. Additional components such as fuel injectors and sensors are not included.