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

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

The Holley EFI Terminator X – Gen IV 4.8/5.3/6.0 GM Truck Engines and LS2/LS3 is a powerful, budget-friendly standalone EFI system designed to take full control of your LS engine. It fits Gen IV GM LS engines with 58x crank and 4x cam sensors using EV6 injectors, providing self-learning fuel strategies, advanced tuning features, and easy setup with a 3.5″ touchscreen handheld and PC software.

Key Features

• Real-time fuel map learning for quick and precise tuning
• High impedance injector drivers compatible with stock LS and Holley EFI injectors
• Integrated 1 bar MAP sensor and Bosch LSU 4.9 wideband oxygen sensor included
• 4 programmable inputs and 4 outputs for fans, boost control, nitrous, and more
• Supports boost control, progressive nitrous, knock retard, and individual cylinder fuel corrections
• Compact ECU with diagnostic LEDs for easy troubleshooting
• Plug and play with Holley EFI accessories and free tuning software
• Includes main and injector harnesses, handheld controller, wideband sensor, and vacuum adapters

Fitment

• Gen IV GM LS engines: 4.8L, 5.3L, 6.0L truck engines, LS2, LS3
• Requires 58x crank and 4x cam sensor setup with USCAR (EV6) injectors

Note: Verify compatibility with your specific engine and wiring before ordering. Installation requires basic wiring knowledge; tuning can be done via handheld or laptop software. Fuel pump, fuel injectors, and other supporting components are not included.