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 EFI system designed for GM LS truck engines with 24x crank reluctor and Multec 2 injectors. It delivers precise fuel and ignition control, self-tuning capabilities, and advanced boost and nitrous management to enhance engine performance and reliability.

Key Features

• Self-learning real-time fuel map for easy tuning
• High impedance injector drivers supporting stock LS and Holley EFI injectors
• Integrated 1bar MAP sensor with vacuum hose adapters
• 4 programmable inputs and 4 outputs for accessories, boost, and nitrous control
• Boost control with multiple strategies and safeties
• Single-channel wet/dry nitrous control with progressive options and closed-loop AFR targeting
• Advanced customizable tables for fuel, spark, and safety functions
• On-board diagnostic LEDs for quick engine status checks
• Includes 3.5” full-color touchscreen handheld with calibration wizard and data logging
• Compact ECU with plug-and-play harnesses for engine and transmission control
• Supports CAN-BUS, E85, forced induction, knock retard, and coil-per-cylinder ignition

Fitment

• GM Gen III LS Truck Engines: 4.8L, 5.3L, and 6.0L with 24x crank reluctor
• Compatible with 4L60E and 4L80E transmissions

Note: Verify engine and transmission compatibility before ordering. Requires proper installation and tuning for optimal performance. Does not include fuel injectors, fuel pump, or mounting hardware.