Ignitions and Electrical› Computers, Chips, Modules and Programmers
Holley
TERMINATOR X 3.5IN TOUCH SCREEN LCD
SKU: H00E 553-201
Easy — 1–2 hours
Description
Part #: 553-201
This 3.5" Touch Screen LCD Handheld Controller gives you access to a wide range of tuning options. Additionally this display can be used as a fully customizable data monitor! With this 3.5" display your system vitals can be viewed with a quick glance!
Features:
- 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, and More!
- System Tuning options allow modifications to Outputs, Engine Setup, Ignition 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 customize 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
3.5 in. LCD Touchscreen
MIA's Description
Fitment
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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Holley |
| Part Number | H00E 553-201 |
| Weight | 0.45 lb |
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Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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