Holley EFI Terminator X Max – LS1/LS6

Holley EFI Terminator X Max – LS1/LS6

The Holley EFI Terminator X Max – LS1/LS6 is a powerful, budget-friendly standalone ECU designed specifically for GM LS1 and LS6 engines with 24x crank reluctor and drive-by-wire throttle bodies. It offers advanced self-tuning capabilities, real-time fuel learning, and comprehensive control over fuel, spark, boost, and nitrous systems to help you maximize performance and reliability on the street or track.

Key Features

• Compatible with GM LS1/LS6 engines using 24x crank reluctor and Bosch EV1 injectors
• Real-time fuel map learning for easy and accurate tuning
• Integrated 1bar MAP sensor ideal for naturally aspirated or nitrous setups
• Drive-by-wire throttle body control included
• 4 programmable inputs and outputs for electric fans, boost control, nitrous, and more
• Supports boost control with multiple strategies and safeties
• Wet and dry nitrous control with progressive multi-stage options
• On-board diagnostic LEDs for quick troubleshooting
• Includes USB/CAN tuning cable and free Holley EFI tuning software
• Compact ECU design for flexible mounting
• Supports E85 fuel, knock retard, datalogging, and coil-per-cylinder ignition

Fitment

• GM LS1 and LS6 engines with 24x crank reluctor
• Drive-by-wire throttle body applications

Note: Verify compatibility with your engine and supporting components before ordering. Initial setup requires a laptop with the free Terminator X software. This kit does not include fuel injectors, fuel pump, or handheld tuner.