
3.5 in. LCD Full-Color Touch Screen EFI Display and Tuning Module
This 3.5 in. LCD touch screen adds laptop-free tuning and live data monitoring to a Holley EFI system, with basic and advanced tuning menus, gauge screens, and SD card datalogging in a compact display.
Holley 553-108 Highlights:
- Works with Holley HP, Dominator, and Terminator EFI systems.
- 3.5 in. full-color touch screen.
- Laptop-free basic and advanced tuning.
- Configurable multi-gauge and monitor screens.
- ECU datalogging to SD card.
- Includes mounting sleeve, power, and extension harness.
Take your EFI System to the next level with the Dominator ECU
Holley Dominator EFI Vehicle Management Systems are engine management systems that can regulate any engine combination, from street to high-end unlimited racing. This system will control almost any input, output, or power adder you can think of, as well as function as a standalone data acquisition/control module. So, stop driving with multiple controllers and upgrade to Dominator ECU, providing your ride with complete engine management in a single unit.



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