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Sniper EFI 3.5" Handheld Controller


PART# 553-115

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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 Sniper EFI system vitals can be viewed with a quick glance!


  • 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


BrandHolley Sniper EFI
Emission Code5
Product TypeHand Held Programmer
Size3.5'' Screen
Part Number553-115



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.

Tech Resources

Only compatible with Sniper EFI systems.


Have a question about this product?

  • Question

    Will this Sniper 3.5" Handheld Controller work on my Jeep Sniper? Thanks Gerry!

    By Gerry T. on August 28, 2019

    It definitely will!
  • Question

    Will this work with a factory gen 3 ls ecu?

    By Andrew T. on June 25, 2019

    No, that screen is a service replacement item for a Sniper EFI system.
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