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HOLLEY EFI - Terminator X Handheld Controller 3.5 Touch Screen LCD - 553-201

HOLLEY
TMX553-201
In stock
Hand Held Programmer
$349.95
Overview Our 3.5" LCD handheld touchscreen gives you access to a wide range of tuning options...
$349.95

HOLLEY EFI - Terminator X Handheld Controller 3.5 Touch Screen LCD - 553-201

Overview

Our 3.5" LCD handheld touchscreen gives you access to a wide range of tuning options for your Terminator X system. Additionally, this display can be used as a fully customizable data monitor, adjusting your tune, and reviewing all your vitals at a quick glance. Screen comes in a sleeve for multiple mounting options.

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

Specs:

  • Brand: Holley EFI
  • Category: Air and Fuel Delivery
  • Emission Code: 5
  • Part Type: Fuel System Controller
  • Product Type: Hand Held Programmer
  • Size: 3.5'' Screen
  • Sub Category: Control Modules
  • UPC: 090127356463
  • Part Number: 553-201

Emissions

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

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Shipping

Order Processing
All orders are processed and shipped within 24 hours of purchase (excluding weekends and holidays).
Orders placed after 3:00 PM EST may ship the following business day.

Shipping Methods
Customers select their preferred shipping method and speed at checkout.
Shipping times are determined by the carrier and cannot be guaranteed by us.
Tracking information will be provided once your order has shipped.

Shipping Coverage
If your package arrives damaged, please notify the delivery driver immediately and contact the shipping carrier to file a claim.
You must report any missing or damaged items within 14 days of delivery.
After this time, we cannot be held responsible for lost or damaged items.

Returns

Return Window
You have 30 days from the date of delivery to request a return.
After 30 days, we are unable to accept returns, exchanges, or refund requests.

Eligibility
Items must be returned in their original condition—unused, unwashed, and with all tags and packaging intact.
Certain products may not be eligible for return (e.g., special-order items, customized products, or perishable goods).
Items that have been altered, installed, or modified cannot be returned.

Return Process
Contact our Customer Support team to request a Return Authorization (RMA) before sending items back.
Once your return is approved, you’ll receive instructions on where to send the product.
Customers are responsible for return shipping costs unless the item was defective or incorrect.

Refunds
Refunds are issued to the original payment method once the returned item has been received and inspected.
Please allow 5–10 business days for the refund to appear on your account.
In some cases, a restocking fee may apply (if applicable, this will be disclosed during your return authorization).

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