Holley EFI Terminator X Max – LS1/LS6

Holley EFI Terminator X Max – LS1/LS6

The Holley EFI Terminator X Max – LS1/LS6 is a complete standalone EFI system designed specifically for GM LS1 and LS6 engines with 24x crank reluctor and EV6 injectors. It offers advanced self-tuning capabilities and real-time fuel learning to simplify tuning, giving you full control over fuel, spark, and transmission functions for a more powerful and reliable engine setup.

Key Features

• Self-learning fuel strategy with real-time fuel map learn
• High impedance injector drivers for stock LS and Holley EFI injectors
• Integrated 1 bar MAP sensor, ideal for naturally aspirated or nitrous applications
• Supports boost control, nitrous control (wet/dry, progressive), and advanced custom tables
• Includes Bosch LSU 4.9 wideband oxygen sensor for precise AFR monitoring
• 4 programmable inputs and 4 outputs for accessories like fans, boost solenoids, and nitrous
• Compact ECU with diagnostic LEDs and 3.5″ touchscreen handheld for easy tuning and data logging
• Plug-and-play compatibility with Holley EFI accessories and 4L60E/4L80E transmission control

Fitment

• GM LS1 and LS6 engines with 24x crank reluctor and USCAR (EV6) injectors
• 4L60E and 4L80E automatic transmissions

Note: Verify compatibility with your engine and transmission before ordering. Requires supporting fuel system components; tuning software and handheld included for full user customization and self-tuning capabilities.