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 engine management system designed specifically for GM LS1 and LS6 engines with 24x crank reluctor and EV1 injectors. It offers advanced self-tuning capabilities, drive-by-wire throttle control, and integrated transmission control for 4L60E/4L80E automatics, giving you precise control and performance tuning in a compact, budget-friendly package.

Key Features

• Real-time fuel map learning for easy, accurate tuning
• High impedance injector drivers compatible with stock LS and Holley EFI injectors
• Integrated 1bar MAP sensor suitable for naturally aspirated or nitrous setups
• 4 programmable inputs and 4 outputs for electric fans, boost control, nitrous, and more
• Boost control with multiple safety and activation strategies
• Progressive and multi-stage wet/dry nitrous control with closed loop AFR targeting
• Includes 3.5″ touchscreen handheld with calibration wizard and data logging
• Supports drive-by-wire throttle bodies and 4L60E/4L80E transmission control
• Wideband Bosch LSU 4.9 oxygen sensor included for precise AFR feedback
• Compact ECU with onboard diagnostic LEDs for quick troubleshooting
• Free Holley EFI software for advanced laptop tuning and monitoring

Fitment

• GM LS1 and LS6 engines with 24x crank reluctor and EV1 injectors
• 4L60E and 4L80E automatic transmissions
• Drive-by-wire throttle body equipped vehicles

Note: Verify compatibility with your specific LS engine and transmission setup before ordering. Installation requires basic wiring knowledge and tuning experience. Additional components such as fuel injectors, fuel pump, and mounting hardware are not included.