The Holley EFI 12.3" Pro Dash measures 13.44" wide, 5.81" tall, and 1.25" deep, monitoring up to 238 real-time channels from a Holley EFI system on a 1280x480 resolution, low-glare, high-brightness, full-color capacitive touchscreen viewable even in full sun. It's plug-and-play with Dominator, HP, Terminator X, and Sniper EFI systems (not compatible with Sniper 2) and includes everything needed for installation.
Specifications:
- Screen Size: 12.3" diagonal, 1280x480 (11.5" x 4.25" viewing area)
- Screen Type: Capacitive Touch
- Compatibility: Dominator, HP, Terminator X, Sniper EFI (not Sniper 2)
- Inputs: 34-pin connector, 13 multi-configurable inputs, 2 dedicated speed inputs
- Outputs: 4 ground-switched outputs
- Real-Time ECU Tuning: HP/Dominator ECUs only, no laptop required
- GPS: Built-in, with odometer function (antenna included)
- Dimensions: 13.44" W x 5.81" H x 1.25" D
- Weight: 3.29 lbs
- Mounting: 6x 1/4-28 holes, hardware included
- Compatible Accessory: Plug-and-Play Programmable Shift Light 553-107
- Part Number: 553-111
Requires Holley EFI HP/Dominator ECUs with V4 build 110 or later firmware for full communication; also communicates with Terminator X/Terminator X Max and Sniper ECUs.
FAQ
What Holley EFI systems does the 553-111 Pro Dash work with?
Dominator, HP, Terminator X, Terminator X Max, and Sniper EFI systems. It is not compatible with Sniper 2. HP/Dominator ECUs need V4 build 110 or later firmware.
Can I tune from the dash without a laptop?
Yes, real-time ECU tuning is supported directly from the dash on HP and Dominator ECUs.
How is the 12.3" dash different from the 6.86" Pro Dash?
The 12.3" version has a larger 1280x480 touchscreen (11.5" x 4.25" viewing area) and weighs 3.29 lbs versus the smaller dash's 1.2 lbs, with the same core EFI monitoring, GPS, and shift light functionality.
Does it need an external GPS antenna?
No, GPS with odometer function is built in and the antenna is included.
