Holley EFI Terminator X Max – LS1/LS6

Holley EFI Terminator X Max – LS1/LS6

The Holley EFI Terminator X Max – LS1/LS6 is a fully featured standalone EFI system designed to give you complete control over your GM LS1/LS6 engine with 24x crank reluctor and EV6 injectors. It includes drive-by-wire throttle body and 4L60E/4L80E transmission control, making it ideal for both street and race applications seeking reliable, user-tuneable performance with advanced features at a budget-friendly price.

Key Features

• Self-learning fuel strategies with real-time fuel map learn for easy tuning
• High impedance injector drivers compatible with stock LS and Holley EFI injectors
• Integrated 1bar MAP sensor suitable for naturally aspirated and nitrous applications
• 4 programmable inputs and 4 outputs for fans, boost control, nitrous, and more
• Supports boost control, progressive nitrous control, and advanced custom tables
• Includes 3.5″ touchscreen handheld with calibration wizard and data logging
• Compact ECU with onboard diagnostic LEDs and CAN-BUS support
• Supports coil-per-cylinder ignition, individual cylinder fuel corrections, and knock retard
• Compatible with Holley EFI accessories and free tuning software for laptop control

Fitment

• GM LS1 and LS6 engines with 24x crank reluctor and EV6 injectors
• 4L60E and 4L80E automatic transmissions with drive-by-wire throttle body

Note: Verify compatibility with your specific LS engine and transmission. Installation requires basic wiring knowledge; tuning software and handheld included. For forced induction beyond 1 bar, a separate MAP sensor and adapter are recommended.