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 EFI system designed for GM LS1 and LS6 engines with 24x crank reluctor and EV6 injectors. It offers advanced self-learning fuel strategies, boost and nitrous control, and integrated transmission management for 4L60E/4L80E automatics, giving you professional-level tuning and control at a budget-friendly price.

Key Features

• Real-time fuel map learning for easy tuning
• High impedance injector drivers compatible with stock LS and Holley EFI injectors
• Integrated 1 bar MAP sensor ideal for naturally aspirated or nitrous setups
• 4 programmable inputs and outputs for fans, boost solenoids, nitrous, and more
• Boost control with multiple modes and safeties
• Wet and dry nitrous control with progressive and multi-stage options
• Advanced tables including gear-based and custom safety tables
• 3.5″ touchscreen handheld with calibration wizard, data logging, and gauge display
• Compact ECU with diagnostic LEDs and CAN-BUS support
• Includes main harnesses for LS engine, injector, transmission, wideband sensor, and I/O

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. This system does not support low impedance injectors or drive-by-wire throttles. Additional tuning software and supporting components may be required for full functionality.