Skip to Product Info
    • 553-201_01.jpg
    • 553-201_02.jpg
    • 553-201_03.jpg
    • 553-201_04.jpg
    • 553-201_05.jpg
    Sale!

    Holley EFI Holley EFI Terminator X Handheld Controller 553-201

    Vendor: Holley EFI
    Part Number: 553-201
    Save $47
    Sale Price $374.95 Regular Price $421.95

    Available to order. In-stock orders typically ship in 1 to 2 business days.

    Not sure it fits your vehicle?
    Email sales@berryperformancesales.com with your year, make, model and engine, and we'll help you check fitment before you order.
    Fast Fulfillment: In-stock orders typically ship within 1 to 2 business days.
    Free Shipping on Orders Over $99 | Excludes freight shipments
    International Shipping Available: email sales@berryperformancesales.com for a quote.
    Payment & Security

    Secure, encrypted checkout. Card details go straight to the payment processor and are never stored by us.

    • Amazon
    • Amazon
    • American Express
    • Apple Pay
    • Diners Club
    • Discover
    • Google Pay
    • Mastercard
    • PayPal
    • Shop Pay
    • Venmo
    • Visa
    Share to:
    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.


    Holley EFI Holley EFI Terminator X Handheld Controller 553-201


    Specifications:

    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
    Warning California Proposition 65
    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
    Warning California Proposition 65
    Description_INV TERMINATOR X 3.5 TOUCH SCREEN LCD
    Description_ASC Only compatible with Terminator X EFI systems.
    Description_DES Holley EFI Terminator X Handheld Controller
    Description_EXT 3.5 in. LCD Touchscreen
    Description_MKT 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.
    Description_FAB Full Color, Backlit 3.5” Touch Screen LCD
    Description_FAB Laptop-Free Tuning changes to help optimize mileage, driveability and performance
    Description_FAB Basic Tuning options allow simple adjustments of Basic Fuel, Fuel Learn, Basic Idle, Spark, and More!
    Description_FAB System Tuning options allow modifications to Outputs, Engine Setup, Ignition Setup
    Description_FAB Advanced Tuning options allow fine tuning of Fuel, Closed Loop, Learn, and Idle (including IAC parameters and Idle Spark)
    Description_FAB Monitor a vast number of Parameters in Pre-Configured Multi-Gauge and Monitor Screens, or customize your own
    Description_FAB 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
    Description_FAB Includes 3.5” Touch Screen, Mounting Sleeve, Power and Extension Harness, SD Card, and User Manual CD
    Description_FAB Screen Dimensions: 3.35w x 2.85h x .70" thick
    Description_FAB Sleeve Dimensions: 3.625w x 2.925h x 1.00" thick
    Description_INV TERMINATOR X 3.5 TOUCH SCREEN LCD
    Description_ASC Only compatible with Terminator X EFI systems.
    Description_DES Holley EFI Terminator X Handheld Controller
    Description_EXT 3.5 in. LCD Touchscreen
    Description_MKT 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.
    Description_FAB Full Color, Backlit 3.5” Touch Screen LCD
    Description_FAB Laptop-Free Tuning changes to help optimize mileage, driveability and performance
    Description_FAB Basic Tuning options allow simple adjustments of Basic Fuel, Fuel Learn, Basic Idle, Spark, and More!
    Description_FAB System Tuning options allow modifications to Outputs, Engine Setup, Ignition Setup
    Description_FAB Advanced Tuning options allow fine tuning of Fuel, Closed Loop, Learn, and Idle (including IAC parameters and Idle Spark)
    Description_FAB Monitor a vast number of Parameters in Pre-Configured Multi-Gauge and Monitor Screens, or customize your own
    Description_FAB 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
    Description_FAB Includes 3.5” Touch Screen, Mounting Sleeve, Power and Extension Harness, SD Card, and User Manual CD
    Description_FAB Screen Dimensions: 3.35w x 2.85h x .70" thick
    Description_FAB Sleeve Dimensions: 3.625w x 2.925h x 1.00" thick


    Shipping Policy
    • Free shipping on orders over $99 (excludes freight shipments).
    • In-stock orders typically ship within 1 to 2 business days. Weekend and holiday orders are processed the next business day.
    • Orders ship from Defiance, Ohio and a nationwide network of warehouses and manufacturers.
    • Items showing an ETA are not in stock yet. ETAs come from the manufacturer and can change.
    • No P.O. Boxes. International orders need a shipping quote, so email us first.

    Read the full Shipping Policy

    Return Policy
    • 30-day return window from the ship date. Returns must be approved first; email sales@berryperformancesales.com with your order number.
    • Items must be unused, complete and in the original packaging.
    • A 20% restocking fee applies, and return shipping is paid by the buyer.
    • Not returnable: installed or modified parts, opened or used programmers and tuners, custom orders, Open Box, and Clearance or Final Sale items.
    • Damaged, defective or incorrect items must be reported within 48 hours of delivery with photos.

    Read the full Return Policy

    Disclaimer

    All products are sold for off-road use only unless otherwise specified. Buyer assumes all responsibility for installation and operation. Seller is not liable for any incidental, indirect, or consequential damages — including engine failure, labor costs, or vehicle downtime — resulting from the use of any product sold.

    By making a purchase from Berry Performance Sales, you acknowledge and agree to abide by the terms and conditions of these Policies.

    For any questions or concerns, please contact us — we’re always happy to help.

    Recently Viewed