Holley EFI Terminator X Max – Gen III 4.8/5.3/6.0 GM Truck Engines

Holley EFI Terminator X Max – Gen III 4.8/5.3/6.0 GM Truck Engines

The Holley EFI Terminator X Max – Gen III 4.8/5.3/6.0 GM Truck Engines is a complete standalone EFI system designed specifically for GM Gen III truck engines. It offers advanced self-learning fuel strategies, drive-by-wire throttle control, and a compact ECU with a 3.5″ touchscreen handheld for easy tuning and data logging. Perfect for street or race applications, this system provides precise control and flexibility at a budget-friendly price.

Key Features

• Designed for 4.8, 5.3, and 6.0L GM Gen III truck engines with 24x crank and 1x cam sensors
• Real-time fuel map learning for easy base fuel tuning
• High impedance injector drivers compatible with most stock LS and Holley EFI injectors
• Integrated 1bar MAP sensor ideal for naturally aspirated and nitrous setups
• 4 programmable inputs and outputs for electric fans, boost control, nitrous, and more
• Supports boost control with multiple modes and safeties
• Progressive and multi-stage nitrous control with rich/lean safeties and closed-loop AFR targeting
• Includes Bosch LSU 4.9 wideband oxygen sensor and on-board diagnostic LEDs
• Compact ECU with included 3.5″ touchscreen handheld for calibration wizard, tuning, and gauges
• Full laptop software suite for advanced tuning and data logging
• Plug-and-play compatibility with Holley EFI accessories and modules
• Supports drive-by-wire throttle bodies and features knock retard, ignition timing control, and coil-per-cylinder ignition support

Fitment

• GM Gen III 4.8L, 5.3L, and 6.0L truck engines
• Compatible with drive-by-wire throttle bodies

Note: Verify compatibility with your specific LS engine and vehicle setup before ordering. Requires tuning for optimal performance. Does not include fuel injectors, fuel pump, or throttle position sensor.