The touch screen LCD provides a dynamic range of tuning and data monitoring options in a compact 3.5” LCD display

    Full Color, Backlit 3.5” Touch Screen LCD
    Laptop-Free Tuning changes to help optimize mileage, driveability and performance
    Basic Tuning options allow simple adjustments of Basic Fuel, Fuel Learn, Basic Idle, Spark, Drive-by-Wire, and Transmission
    System Tuning options allow modifications to Outputs, Engine Setup, Ignition Setup, and additional Transmission setup
    Advanced Tuning options allow fine tuning of Fuel, Closed Loop, Learn, and Idle (including IAC parameters and Idle Spark)
    Monitor a vast number of Parameters in Pre-Configured Multi-Gauge and Monitor Screens, or configure your own
    Set up ECU Datalogging, Download Datalogs to SD Card, Upload and Download Global Folders via SD Card, Update ECU Firmware and Adjust Rev Limiters 1 and 2
    Includes 3.5” Touch Screen, Mounting Sleeve, Power and Extension Harness, SD Card, and User Manual CD
    Screen Dimensions: 3.35w x 2.85h x .70" thick
    Sleeve Dimensions: 3.625w x 2.925h x 1.00" thick

Brand            Holley EFI
Product Type    EFI Part
Size                    3.5'' Screen
Part Number    553-108

Technical resources available at

Holley LCD Touch Screen

SKU: 553-108