Holley EFI 6.86" Standalone Pro Dash 553-117
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Features:
- Standalone digital dashes for installation in most any vehicle Ð no ECU or fuel injection required. As easy to install as traditional gauges!
- Two models available:
- 6.86Ó version is big on features, but small on size for installation almost anywhere!
- Four speed channels (two dedicated) for RPM, driveshaft speed, or any other Hall effect speed input
- 12.3Ó version is for the hard-core enthusiast who wants the ultimate display device!
- User definable channel alarms and warnings
- High resolution, state-of-the-art, multi-gauge touch-screen display with fully configurable layouts:
- Communications / Harness:
- Full color, capacitive touch screen with auto dimming offers crystal clear data at your fingertips Ð day or night Ð no stylus needed
- Quickly swipe between multiple active screens (tune, warm-up, race, drive, etc.)
- 4 Pin Wiring Harness contains Power, Ground and CANbus connections
- Virtual switch panel eliminates the need for external toggle switches
- Holley EFI CANbus connection for expanded capability with Holley EFI systems
- Expandable storage via USB
- 16 default backgrounds skins pre-loaded with unlimited options for importing custom layouts
- Built-in GPS with speed, odometer and trip odometer function (external antenna included)
- Integrated Datalogger:
- Integrated 10-LED programmable shift light w/ 4-LED warning indicators for other sensor inputs. (6.86Ó dash only)
- Internal Log Memory Ð 1 GB (expandable up to 32GB with addition of micro-SD card)
- External Logging to USB Flash Drive is also available for easy file management
- Rendered analog (dials / needles) and digital gauge styles available
- On-screen datalog playback allows you to review vital run information right on the dash
- Integrated datalogger
- Full analysis via laptop is available. Simply download the file to a USB drive and view with the free datalog viewer at Holley.com
- Rugged, water resistant case is constructed of cast aluminum for long life and durability
- Flexible mounting options: Surface or flush mounting, with high quality hardware included
- Plug and play features are pre-configured in the harness and include dash layouts / screens for::
- Simple setup and programming: USB Keyboard and Mouse functionality makes it quick and easy to setup new layouts
- Oil and fuel pressure, coolant and air temp (utilizes plug and play Holley sensors, not included)
- Fully Upgradeable:
- Turn signals
- Upgradable with future software enhancements
- High beam
- Fuel level
- Can easily be converted for use with Holley EFI to monitor up to 238 real-time values such as RPM/TPS/Boost
- Engine vacuum / boost
- WhatÕs Included:
- Both dash versions include harness / cables, mounting hardware, USB memory stick and CAN terminator
- Additional input and output functionality:
- GPS Antenna
- 13 multi-configurable inputs
- Sensors not included
- 4 ground switched outputs
About Holley EFI

Find standalone EFI for LS, Coyote, Hemi and more at Holley.com. From engine swapping to managing up to 4000 horsepower, we have a solution for every project!
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