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.

Part Number: 553-111

Trust. Whether it's your engine builder, team members or EFI System, trust is earned, not given. When your expensive engine, sponsorship and reputation are on the line, trust your engine monitoring to the Holley EFI 12.3" Pro Dash. Monitor the power of your Holley EFI system at a glance! The Holley EFI Pro Dash measures 13.44" wide, 5.81" tall, and 1.25" deep and is completely customizable for use in a variety of motorsports applications. It features a 12.3" 1280x480 resolution low glare, high brightness, high contrast, full-color capacitive touch screen for easy viewing even in full sun, plug and play connection to all Holley EFI systems as well as a weatherproof aluminum housing featuring flexible mounting options. Holley EFI 12.3" Pro Dash includes everything needed for installation. The Holley EFI 12.3" Pro Dash also features a plethora of inputs and outputs for expanded functionality of your Holley EFI installation. The included 34pin connector has 13 multi-configurable inputs for most Holley EFI sensors, such as pressure and temperature. Not using Holley EFI sensors? We still have you covered - these inputs are configurable, allowing you to utilize different sensor scaling calibrations. The Pro Dash also features two dedicated speed inputs for RPM, Driveshaft speed, or any other Hall effect speed input. Need more outputs? The Pro Dash contains 4 ground switched outputs that can be utilized with the switch panel feature to quickly turn on any of your auxiliary accessories, such as a master nitrous switch or an electric water pump.

Features and Benefits

• Plug-and-play display support for Dominator, HP, Terminator X & Sniper EFI (Not compatible with Sniper 2)
• Real-time ECU tuning allows you to make quick tune changes without needing to hook up a laptop (HP and Dominator ECUs 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 - utilizes 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

Plug-and-play with Dominator - HP - Terminator X - and Sniper EFI. Not compatible with Sniper 2. This device will only display and/or communicate with Holley EFI HP or Dominator ECUs with V4 Build 110 or later firmware.