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, user-tuneable standalone ECU designed for GM LS1 and LS6 engines with 24x crank reluctor and EV6 injectors. It offers complete engine control including fuel, spark, drive-by-wire throttle, and 4L60E/4L80E transmission management, making it ideal for enthusiasts seeking reliable, race-proven technology at a budget-friendly price.

Key Features

• Real-time fuel map learning for easy tuning
• Integrated 1bar MAP sensor with support for nitrous and naturally aspirated engines
• 4 programmable inputs and outputs for accessories like fans, boost control, and nitrous
• Supports boost control, progressive nitrous, and advanced custom tables
• Wideband Bosch LSU 4.9 sensor included for accurate AFR monitoring
• CAN/USB tuning cable included for real-time configuration with free Terminator X Software
• Compact ECU with diagnostic LEDs for quick troubleshooting
• Compatible with Holley EFI accessories including gauges and digital dashboards
• Supports E85 fuel, knock retard, datalogging, and coil-per-cylinder ignition

Fitment

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

Note: Requires use of Terminator X Software for initial setup; verify compatibility with your engine and transmission before ordering. Does not control low impedance injectors. Installation requires basic EFI knowledge and tuning experience.