Holley 3.5 in. LCD Touch Screen Upgrades

Holley 3.5 in. LCD touch screen upgrades provide laptop-free tuning changes to help optimize mileage, drivability, and performance. Basic tuning options allow simple adjustments of basic fuel, fuel learn, basic idle, spark, drive-by-wire, and transmission; while System Tuning options allow modifications to outputs, engine setup, ignition setup, and additional transmission setup; and Advanced Tuning options allow fine-tuning of fuel, closed loop, learn, and idle (including IAC parameters and idle spark). The upgrades can monitor a vast number of parameters in pre-configured, multi-gauge, and monitor screens--or allow you to configure your own. You can set up ECU data-logging, download data logs to an SD Card, upload and download global folders via SD Card, update ECU firmware, and adjust rev limiters. Holley 3.5 in. LCD touch screen upgrades include a mounting sleeve, power and extension harness, SD card, and user manual CD. Show Less