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Description
Holley EFI 6.86 Standalone Pro Dash - 553-117Overview: 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. 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 | 3.4375 |
| Product Type | Digital Dashes |
| Screen Size | 6.86" |
| Screen Type | Capacitive Touch Screen |
| Width | 7.5625 |
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
4.4 ★★★★★
Based on 16 reviews
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Product Reviews
★★★★★ 5
Must buy
Awesome, Awesome Product!!! The shine is amazing. I was going to apply it with a hand buffer, but instead attempted to do it by hand. The manual labor was amazing. I can’t wait to drop the orbital buffer on it next.
A must but for Black or dark paint colors!
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Reviewed in the United States on April 4, 2026
★★★★★ 5
No gimmick
It works very well. While it leaves the paint very slippery and shiny, the best part about this product is how easy it is to buff off. I have used many products and nothing comes off as easily as this. And it also smells incredible. Clay bar beforehand is essential to make buffing it off effortless. Make sure you use the correct pad and use very little pressure or spreading it will be difficult.
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Reviewed in the United States on April 15, 2026
★★★★★ 4
Black 2009 Chevy Avlanche-Better the Second Day
Okay... Let me say this first and foremost, this is a decent product. Of Course Chemical Guys makes some extremely over -the-top claims. However, no product can do all the things that Chemical Guys claim their products can do. Regarding this product, Black Light DOES NOT remove scratches and swirl marks... I know Chemical Guys tell you it do, but it DOSE NOT, however it did blend and reduce the appearance of minor to moderate scratches and swirl marks... The product reduces them very well. I was pleasantly surprised by this so that was good... Now the shine.... At first I wasn't overly impressed by the shine it left, but then I went back about 2 hours later and did another pass with my microfiber towel and took at step back and was like hmmm, not bad.... The second day there was some dust from over night on my truck (Black 2009 Chevy Avalanche), I wiped the dust off and I was I couldn't believe it looked better the second day. Now you can't always take another persons word on the quality of the shine/gloss look because we all have our own perspective on what looks good. Now it wasn't hard to apply... I used an applicator....Put on and light to moderate coating.... I let it sit for about 45 minutes...(I got distracted with other things) the directions say 15-20 minutes... It was not hard work getting it off, but it took slight work, maybe because I left on for double the time.... Overall, this product is decent, I have only used it once on 04/05/18 and today is 04/06/18. We are expecting rain and snow tonight, lets see how it holds up after that... But over-all I will give it another shot when the weather breaks, but this time, I will add the Chemical Guys'16 Hybrid V7 Optical Select High Gloss Spray Sealant after and see what kind of shine/gloss it will leave.... I never read the 5 Star Reviews because its mostly people who work for the company or paid by the company to write... 2 star, 3 star and 4 star reviews; you can get a more of an honest picture of the product... I hope this feedback help.... I do like it after one use, and I will use it again after the weather breaks, then I will write another review to give an update on how it held up after snow and rain...next time, ill add a pic...
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Reviewed in the United States on April 7, 2018
★★★★★ 5
Paint isnt perfect at 12 years old but WOW!
As advertised and reviewed. Did the application with a Chem Guys applicator 6 pack purchased here in the AM when it was 70 degrees, no sun. It went on easy, waited 15 mins, it came off easy. Beautiful glossy shine on my black Model S.
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Reviewed in the United States on March 26, 2026
★★★★★ 5
Great product
Works awesome. Easy to remove once you let it dry
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Reviewed in the United States on April 3, 2026