Holley EFI 12.3" Pro Dash


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$2,249.95 - $2,449.95
$2,249.95 - $2,449.95


NOTE: We will notify you if your order goes out of stock between order placement and shipment.

Be sure to pick the correct part number for your application. There are two options, the 'Standalone' (553-116) option and the plug-and-play display support for Dominator, HP, Terminator X & Sniper EFI (553-111).

The Holley EFI 12.3" Pro Dash is customizable with a variety of gauge and indicator screens that can be programmed to display any parameter you need from a Holley EFI system.



  • Real-time ECU tuning, allows you to make quick tune changes, without needing to hook up a laptop!
  • Standalone digital dashes for installation in most any vehicle – no ECU or fuel injection required.o As easy to install as traditional gauges (PN 553-116 only)
  • Capable of monitoring up to 238 real-time values such as RPM/TPS/Boost
  • 16 default background skins pre-loaded with unlimited options for importing custom layouts
  • Quickly swipe between multiple active screens (tune, warm-up, race, drive, etc.)
  • Virtual switch panel eliminates the need for external toggle switches
  • Manual or auto-brightness features for easy viewing day or night
  • Built-in GPS with odometer function (Antenna included)
  • On-screen datalog playback features allows you to review vital run information
  • Expandable storage via USB
  • No stylus required, capacitive touch, just like your smart phone.
  • User definable channel alarms and warnings
  • 6x 1/4-28 mounting holes for surface or flush mounting, with high quality hardware included!
  • Includes everything needed for installation!
  • USB Keyboard and Mouse functionality makes it quick and easy to setup new layouts
  • Includes 34 Pin Wiring Harness contains Power, Ground and CANbus connections
  • Input and output functionality for 13 multi-configurable inputs, and 4 ground switched outputs.
  • User defined alarms for any input
  • Upgradable with future software enhancements
  • Viewing area is 12.3" on the diagonal, 11.5" wide by 4.25" tall
  • Dash weight - 3.29lbs
  • Compatible with our Plug and Play Programmable Shift Light - Part Number 553-107

Extra Information