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Description
Holley EFI 12.3 Standalone Pro Dash - 553-116Overview: Holley has done it again, a pair of industry leading digital dashes for the masses!: Have you always wanted the look of a modern digital dash in your project vehicle but lacked an ECU or fuel injection system that supported one? Holley has you covered with two amazing new standalone dash options. Just like traditional gauges, you can install these in almost anything! The 6. 86" version is big on features, but small on size for installation
Overview:
Holley has done it again, a pair of industry leading digital dashes for the masses!:
Have you always wanted the look of a modern digital dash in your project vehicle but lacked an ECU or fuel injection system that supported one? Holley has you covered with two amazing new standalone dash options. Just like traditional gauges, you can install these in almost anything!
The 6.86" version is big on features, but small on size for installation almost anywhere. Measuring 3.5" tall by 7.6" wide, it's easily mounted in a console / dashboard, off a roll cage or on a steering column. The full color touchscreen makes it easy to interface the various screens. It even includes a 10 LED shift light!
The 12.3" version is for the hard-core enthusiast who wants it all. Measuring 11.5" wide by 4.25" tall, you receive a full view of critical data thru programmable gauges, warning lights, switches and other on-screen features.
These new digital dashes are full of features that support most any user, weekend warrior to professional racer.
Don't be left in the dark with traditional gauges, upgrade to a Holley Pro Dash and get the facts on your engine!
Features:
- Standalone digital dashes for installation in most any vehicle – no ECU or fuel injection required.o As easy to install as traditional gauges!
- Two models available:
- 6.86” version is big on features, but small on size for installation almost anywhere!
- 12.3” version is for the hard-core enthusiast who wants the ultimate display device!
- High resolution, state-of-the-art, multi-gauge touch-screen display with fully configurable layouts:
- Full color, capacitive touch screen with auto dimming offers crystal clear data at your fingertips – day or night – no stylus needed
- Quickly swipe between multiple active screens (tune, warm-up, race, drive, etc.)
- Virtual switch panel eliminates the need for external toggle switches
- 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 10-LED programmable shift light w/ 4-LED warning indicators for other sensor inputs. (6.86” dash only)
- Rendered analog (dials / needles) and digital gauge styles available
- Integrated datalogger
- Rugged, water resistant case is constructed of cast aluminum for long life and durability
- Plug and play features are pre-configured in the harness and include dash layouts / screens for::
- Oil and fuel pressure, coolant and air temp (utilizes plug and play Holley sensors, not included)
- Turn signals
- High beam
- Fuel level
- Engine vacuum / boost
- Additional input and output functionality:
- 13 multi-configurable inputs
- 4 ground switched outputs
- Four speed channels (two dedicated) for RPM, driveshaft speed, or any other Hall effect speed input
- User definable channel alarms and warnings
- Communications / Harness:
- 4 Pin Wiring Harness contains Power, Ground and CANbus connections
- Holley EFI CANbus connection for expanded capability with Holley EFI systems
- Expandable storage via USB
- Integrated Datalogger:
- Internal Log Memory – 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
- On-screen datalog playback allows you to review vital run information right on the dash
- Full analysis via laptop is available. Simply download the file to a USB drive and view with the free datalog viewer at Holley.com
- Flexible mounting options: Surface or flush mounting, with high quality hardware included
- Simple setup and programming: USB Keyboard and Mouse functionality makes it quick and easy to setup new layouts
- Fully Upgradeable:
- Upgradable with future software enhancements
- Can easily be converted for use with Holley EFI to monitor up to 238 real-time values such as RPM/TPS/Boost
- Compatible with Holley EFI Plug and Play Programmable Shift Light - Part Number 553-107
- What’s Included:
- Both dash versions include harness / cables, mounting hardware, USB memory stick and CAN terminator
- GPS Antenna
- Sensors not included
Application:
| Year | Make | Model | Submodel | Engine Size |
|---|---|---|---|---|
| Universal |
Specs:
| Application | Universal |
|---|---|
| Brand | Holley EFI |
| Depth | 1.25" |
| Height | 5.81" |
| Product Type | Digital Dashes |
| Screen Size | 12.3" Viewing Area |
| Screen Type | Capacitive Touch Screen |
| Width | 13.44" |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 27 reviews
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Product Reviews
★★★★★ 5
Ordinary People, Extraordinary Experiences
Format: Hardcover
A beautiful and interesting coffee table book. Whether you're a believer or not,the many photos of the Swiss countryside are lovely, and the photos and remarks from ordinary people like us are interesting and moving. Experiencer or not, a worthwhile purchase.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 7, 2025
★★★★★ 5
I read the quotations first
Format: Hardcover
Of all the stories I have read about those who experienced extraterrestrial life, and all those who told those stories, Billy Meier's story is the most authentic. This book is a beautifully written and photographed narrative of Meier's relationship with various people from the stars, over a period of time. Billy himself reminded me of my best friends in the 1960's and 70's--quiet and kind. But the most remarkable part of this book, apart from the extraordinary photographs, is that there are quotations from the extraterrestrial visitors themselves, which are worth reading, in order. Yes, you might still not believe this happened, but you cannot help but absorb insights in those quotations. You will not forget them.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 17, 2024
★★★★★ 5
A Civilization in Transition: Can Humans Make the "Jump" to Hyperspace?
Format: Hardcover
Though there is ample evidence to suggest that humanity has been visited by "off-planet" beings or relatives since as far back as any recorded history in stone or on paper, with the advent of technologies bringing us closer to an enlightenment or a destruction, UFO/UAP events seem to becoming more frequent. And more accepted. When UFO...CONTACT FROM THE PLEIADES v I and II were first published 45 years ago few people had a personal computer in their homes let alone any digital technology whatsoever. There were gains in human rights protections along with ecological study and the awareness of the importance to "love our Mother." (Earth) So it may not be so unreal to consider that one specific human, a farmer in rural Switzerland was chosen for multiple contact events and allowed to capture photographs, audio recordings, films and even metallic samples from OP visitors for the purpose of helping humanity expand its consciousness to the next level.
This reissue tells such a story with vivid photography, detailed analysis and skilled reporting having used the most advanced non-civilian equipment available at the highest levels in its day. Furthermore, time has only affirmed that none of the photographs or video from the Billy Meier case have proved to be fake or forged in any known way.
This is the book for searchers interested in the "nuts and bolts" of ufology. And yet...
Whether you believe in UFOs or off-planet visitors is really beside the point here. The deeper point - and the not so hidden purpose revealed through the messages given to Billy Meier from Semjase, a Pleiadean traveler who contacted Meier over 100 times in the 1970s - is to consider if each one of us is capable of suspending disbelief long enough to be curious, which takes an open heart. And if we open our hearts, how can we do harm to ourselves, our planet, or others in the universe? And if we can achieve "do no harm" what else could we achieve? Hyperspace? Telepathy? A humane civilization where no one goes hungry or homeless? The point is whether or not we are ready, collectively, to expand our consciousness.
After reading this book, I want to take that leap!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 3, 2024
★★★★★ 5
A wonderful book !l
Format: Hardcover
No doubt the subject of UFO's and ET's is a challenging subject. But the Billy Meier story is certainly one of the very best. This book is masterwork that warrants the highest rating. The photos are extraordinary and the story line is superb. Buy a copy or several for yourself and for gifts .
A. very happy customer ....indeed.
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Reviewed in the United States on October 22, 2024
★★★★★ 5
Amazingly well written
Format: Hardcover
Nice book. Pictures and honest interviews and reports via credible down to earth persons.
They don't weigh you down with hundreds of pages to read. Well done
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 15, 2024
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