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 standalone EFI system designed to deliver complete control over your LS engine’s fuel and spark management. Built for GM Gen IV LS truck engines and LS2/LS3 with 58x crank and drive-by-wire throttle bodies, it offers advanced tuning features and self-learning capabilities to get your engine running strong quickly and reliably.

Key Features

• Real-time fuel map learning for easy and precise tuning
• High impedance injector drivers compatible with stock LS and Holley EFI injectors
• Integrated 1bar MAP sensor ideal for naturally aspirated or nitrous setups
• 4 programmable inputs and outputs for electric fans, boost control, nitrous, and more
• Advanced boost and nitrous control with safety features and progressive options
• Includes 3.5″ touchscreen handheld with calibration wizard and data logging
• Compact ECU with diagnostic LEDs for quick troubleshooting
• Plug-and-play compatibility with Holley EFI accessories and gauges
• Supports E85, coil-per-cylinder ignition, knock retard, and forced induction
• Comes with complete wiring harnesses, wideband oxygen sensor, and vacuum adapters

Fitment

• GM Gen IV 4.8L, 5.3L, 6.0L LS truck engines
• LS2 and LS3 engines with 58x crank and drive-by-wire throttle bodies

Note: Verify compatibility with your specific engine and vehicle before ordering. Requires user tuning and may need additional components for full installation.