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 and budget-friendly standalone ECU designed for GM LS1 and LS6 engines with 24x crank reluctor and EV6 injectors. It offers complete engine control with self-learning fuel strategies, advanced tuning capabilities, and integrated sensors to get your LS powered vehicle running strong on the street or track.

Key Features

• Real-time fuel map learning for easy tuning of base fuel tables
• High impedance injector drivers compatible with most stock LS and Holley EFI injectors
• On-board 1bar MAP sensor ideal for naturally aspirated or nitrous setups
• 4 programmable inputs and outputs for electric fans, boost control, and nitrous management
• Supports boost control, dry and wet nitrous, multi-stage and progressive nitrous control
• Includes Bosch LSU 4.9 wideband oxygen sensor for precise AFR monitoring
• Compact ECU with diagnostic LEDs and CAN/USB tuning cable for real-time laptop tuning
• Plug-and-play compatibility with Holley EFI accessories and modules
• Free comprehensive tuning software included for full engine management access

Fitment

• GM LS1 and LS6 engines with 24x crank reluctor and EV6 injectors

Note: This kit includes the ECU, main engine harness, injector harness, wideband oxygen sensor, input/output harness, and vacuum adapters. No handheld tuner is included; initial setup requires the free Terminator X software via USB/CAN cable. Verify compatibility with your specific LS engine and vehicle before ordering.