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Product Summary

Universal Fit, 3.5'' Screen LCD Screen Size

  • 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)

Rebates Available

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Key Specs

MFG. Part #553-202
BrandHolley Sniper
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Need To Know

Quick and Easy Returns

Return Policy

Holley Sniper 553-202 Details

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

Rebates

Holley Fuel Up Spring Savings Event 2026

Save 10% instantly on select products across the Holley family of performance brands during the annual Holley Fuel Up Spring Savings Event 2026. Instant rebate period has been extended and now runs from March 30, 2026 through April 19, 2026.

Holley Sniper 553-202 Specifications

KEY SPECS
MFG. Part #553-202
BrandHolley Sniper
GENERAL
GTIN Code090127820551
Sold in QuantityEach
LCD Screen Size3.5'' Screen

Ratings & Reviews

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Should work fine, but

5.0

a year ago

Rabbit

Prescott, AZ

Verified

The Sniper system for some reason has 2 different cable connectors. One round, the other flat. Not sure why, just make sure you are looking at the correct one if you are in need of a replacement.

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