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, user-tuneable engine management system designed specifically for GM LS1 and LS6 engines with 24x crank reluctors and EV1 injectors. It offers complete control of fuel, spark, drive-by-wire throttle, and 4L60E/4L80E transmission management, delivering race-proven technology at a budget-friendly price to get your LS-powered vehicle running strong on the street or track.

Key Features

• Real-time fuel map learning for easy tuning
• High impedance injector drivers compatible with most stock LS injectors
• Integrated 1bar MAP sensor suitable for naturally aspirated and nitrous applications
• 4 programmable inputs and 4 outputs for accessories like fans, boost, and nitrous control
• Supports boost control with multiple strategies and nitrous control with progressive or non-progressive options
• On-board Bosch LSU 4.9 wideband oxygen sensor for precise AFR monitoring
• CAN-BUS support and compatibility with Holley EFI accessories including gauges and digital dashes
• Includes USB/CAN tuning cable and free Terminator X software for PC-based tuning
• User-tuneable with advanced tables for custom tuning needs
• Supports coil-per-cylinder ignition and individual cylinder fuel corrections
• Supports E85 fuel, knock retard, datalogging, and drive-by-wire throttle control

Fitment

• GM LS1 and LS6 engines with 24x crank reluctor and EV1 injectors
• 4L60E and 4L80E transmissions with drive-by-wire throttle bodies

Note: Requires use of the free Terminator X Software for initial setup; handheld tuner not included. Verify compatibility before ordering. Installation and tuning knowledge recommended for best results.