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-friendly EFI system designed specifically for GM LS truck engines and LS2/LS3 platforms. It delivers complete engine control with real-time fuel learning, boost and nitrous management, and comprehensive tuning capabilities, making it ideal for enthusiasts looking to maximize performance and reliability.

Key Features

• Designed for GM LS 4.8/5.3/6.0 Truck Engines and LS2/LS3 with 58x crank, 4x cam sensors, and 4L60E/4L80E transmissions
• Real-time fuel map learning eliminates guesswork in tuning
• High impedance injector drivers support stock LS and Holley EFI injectors
• Integrated Bosch LSU 4.9 wideband oxygen sensor for precise AFR control
• On-board 1 bar MAP sensor with boost control and nitrous management features
• 4 programmable inputs and 4 outputs for electric fans, boost solenoids, nitrous, and more
• Includes 3.5″ touchscreen handheld with calibration wizard, data-logging, and customizable gauges
• Compact ECU with diagnostic LEDs for quick troubleshooting
• Plug-and-play compatibility with Holley EFI accessories and free tuning software

Fitment

• GM Gen IV LS 4.8L, 5.3L, and 6.0L truck engines
• LS2 and LS3 engines with 58x crank and 4x cam sensors
• 4L60E and 4L80E transmissions

Note: Verify compatibility with your specific engine and transmission before ordering. Requires EV6 injector connectors and supports high impedance injectors only. Tuning and installation knowledge recommended.