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, budget-friendly standalone EFI system designed for GM LS1 and LS6 engines with 24x crank reluctor and EV6 injectors. It offers advanced self-learning fuel strategies, integrated transmission control for 4L60E/4L80E, and extensive tuning capabilities, making it ideal for enthusiasts building naturally aspirated or boosted LS-powered vehicles.

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 with vacuum hose adapters
• 4 programmable inputs and 4 outputs for accessories like fans, boost control, and nitrous
• Boost and nitrous control with advanced safety features
• On-board diagnostic LEDs for quick engine status checks
• Includes USB/CAN tuning cable and free Terminator X software for laptop tuning
• Compact ECU design for flexible mounting
• Plug-and-play compatibility with Holley EFI accessories and digital dashboards
• Supports E85 fuel, datalogging, knock retard, and coil-per-cylinder ignition

Fitment

• GM LS1 and LS6 engines with 24x crank reluctor and EV6 injectors
• Compatible with 4L60E and 4L80E transmissions

Note: Requires laptop for initial setup and tuning using the included USB/CAN cable. Verify compatibility with your specific engine and transmission before ordering. Does not support low impedance injectors or drive-by-wire throttles.