Holley EFI Terminator X – GM LS1/LS6

Holley EFI Terminator X – GM LS1/LS6

The Holley EFI Terminator X – GM LS1/LS6 is a powerful, budget-friendly standalone ECU designed for GM LS1 and LS6 engines with 24x crank reluctor and EV1 injectors. It offers complete engine control with self-learning fuel strategies, real-time fuel map learning, and advanced tuning features to get your LS-powered vehicle running strong on the street or track.

Key Features

• Compatible with GM LS1/LS6 engines using 24x crank reluctor and EV1 injectors
• Real-time fuel map learning for easy tuning
• High impedance injector drivers supporting most stock LS injectors
• Integrated Bosch LSU 4.9 wideband O2 sensor for precise AFR control
• On-board 1bar MAP sensor ideal for naturally aspirated or nitrous setups
• 4 programmable inputs and outputs for electric fans, boost control, nitrous, and more
• Boost control with multiple trigger options and safeties
• Single channel wet/dry nitrous control with progressive and safety features
• Advanced customizable tables for fuel, spark, and safety parameters
• Diagnostic LEDs for quick troubleshooting
• Includes 3.5″ touchscreen handheld with calibration wizard and data logging
• Compact ECU housing for versatile mounting options
• Plug-and-play compatibility with Holley EFI accessories and free tuning software
• Includes main harnesses, wideband sensor, input/output harness, and vacuum adapters

Fitment

• GM LS1 and LS6 engines with 24x crank reluctor and EV1 style injectors

Note: Verify compatibility with your engine setup before ordering. For forced induction above 1 bar, a separate MAP sensor and adapter are required. Proper tuning and supporting components are necessary for optimal performance.