Holley EFI Terminator X Max – Gen IV 4.8/5.3/6.0 GM Truck Engines and LS2/LS3

Holley EFI Terminator X Max – Gen IV 4.8/5.3/6.0 GM Truck Engines and LS2/LS3

The Holley EFI Terminator X Max – Gen IV 4.8/5.3/6.0 GM Truck Engines and LS2/LS3 is a powerful, user-tuneable standalone EFI system designed specifically for GM LS truck engines and LS2/LS3 platforms. It offers advanced control over fuel, spark, drive-by-wire throttle, and transmission management, delivering race-proven technology and real-time fuel learning to get your engine running strong and optimized quickly.

Key Features

• Designed for GM LS 4.8/5.3/6.0 Truck Engines and LS2/LS3 with 58x crank, 4x cam, and 4L60E/4L80E transmissions
• Real-time fuel map learning simplifies tuning and improves performance
• High impedance injector drivers compatible with stock LS and Holley EFI injectors
• Integrated Bosch LSU 4.9 wideband O2 sensor for precise AFR control
• On-board 1bar MAP sensor with adapters for vacuum and nitrous applications
• 4 programmable inputs and 4 outputs for electric fans, boost control, nitrous, and more
• Comprehensive boost and nitrous control with safety features and progressive options
• Advanced tables for custom tuning including gear-specific and multi-dimensional maps
• Diagnostic LEDs for quick engine status checks
• 3.5″ touchscreen handheld with calibration wizard, data logging, and customizable gauges
• Compact ECU with flexible mounting and plug-and-play compatibility with Holley accessories
• Supports drive-by-wire throttle bodies, coil-per-cylinder ignition, E85, and forced induction

Fitment

• GM LS Gen IV 4.8L, 5.3L, 6.0L Truck Engines
• GM LS2 and LS3 Engines with 58x crank and 4x cam sensors
• Compatible with 4L60E and 4L80E transmissions
• Drive-by-wire throttle body control with EV6 injectors

Note: Verify compatibility with your specific engine and transmission setup before ordering. Installation requires basic EFI knowledge and proper tuning. Fuel injectors, fuel pump, and other supporting components are not included.