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 full-featured EFI system designed specifically for GM LS truck engines with 24x crank reluctor, offering complete engine, transmission, and drive-by-wire throttle control. It provides advanced tuning capabilities, real-time fuel learning, and support for nitrous and boost control, making it ideal for enthusiasts wanting reliable, race-proven performance at a budget-friendly price.

Key Features

• Supports GM LS 4.8/5.3/6.0 truck engines with 24x crank reluctor and Multec 2 injectors
• Real-time fuel map learning for easy tuning
• Integrated 1bar MAP sensor with adapters for vacuum hose sizes
• 4 programmable inputs and 4 outputs for accessories like electric fans, boost solenoids, and nitrous
• Transmission control for 4L60E and 4L80E
• Drive-by-wire throttle body support
• Advanced nitrous control including wet/dry and progressive options
• On-board diagnostic LEDs for quick troubleshooting
• Includes CAN/USB tuning cable and free Holley EFI software for laptop tuning
• Compact ECU design for flexible mounting
• Compatible with Holley EFI accessories such as gauges and digital dash modules

Fitment

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

Note: Requires free Terminator X software for setup; handheld tuner not included. Verify compatibility with your engine and transmission before ordering. Injector support limited to high impedance injectors. Additional sensors or accessories may be required for full functionality.