Holley EFI Terminator X – GM LS1/LS6

Holley EFI Terminator X – GM LS1/LS6

The Holley EFI Terminator X – GM LS1/LS6 is a complete standalone EFI system designed specifically for GM LS1 and LS6 engines with a 24x crank reluctor and EV1 style injectors. It offers advanced self-tuning fuel and ignition control, integrated boost and nitrous management, and a compact ECU with a 3.5″ touchscreen handheld for easy tuning and monitoring. This system delivers professional-level control and race-proven technology at a budget-friendly price.

Key Features

• Real-time fuel map learning for easy tuning
• High impedance injector drivers compatible with stock LS injectors
• Integrated 1 bar MAP sensor ideal for naturally aspirated or nitrous setups
• 4 programmable inputs and outputs for fans, boost control, nitrous, and more
• Supports boost control with multiple control strategies and safeties
• Wet and dry nitrous control with progressive and multi-stage options
• Onboard diagnostic LEDs for quick system status checks
• 3.5″ touchscreen handheld with calibration wizard and data logging
• Includes main harnesses, wideband oxygen sensor, and vacuum adapters
• Compatible with Holley EFI accessories and free tuning software

Fitment

• GM LS1 and LS6 engines with 24x crank reluctor and EV1 injector connectors
• Supports naturally aspirated, nitrous, and forced induction applications

Note: Verify compatibility with your specific LS engine setup before ordering. Low impedance injectors are not supported. Installation requires basic wiring knowledge and may need additional components depending on your build.