The Holley EFI 12.3" Standalone Pro Dash is the hard-core enthusiast's digital dash, delivering a full view of critical data through programmable gauges, warning lights, and virtual switches — no ECU or fuel injection system required, and installs as easily as traditional gauges.
Key Features:
- Full color, capacitive touch screen with auto dimming, no stylus needed
- Swipe between multiple active screens (tune, warm-up, race, drive, etc.)
- Virtual switch panel eliminates external toggle switches
- 16 preloaded background skins plus unlimited custom layout options
- Built-in GPS with speed, odometer, and trip odometer (external antenna included)
- Rendered analog and digital gauge styles
- Integrated datalogger with 1GB internal memory (expandable to 32GB via micro-SD)
- Plug-and-play screens for oil/fuel pressure, coolant, air temp, turn signals, high beam, fuel level, and vacuum/boost
- 13 multi-configurable inputs and 4 ground-switched outputs
- Four speed channels (two dedicated) for RPM, driveshaft speed, or other Hall Effect inputs
- 4-pin harness with Power, Ground, and Holley EFI CANbus connections
- Compatible with Holley EFI Programmable Shift Light, part number 553-107
Specifications:
- Screen Size: 12.3" viewing area
- Screen Type: Capacitive Touch Screen
- Dimensions: 5.81" H x 13.44" W
- Body Depth: 1.25"
- Color: Black
- What's Included: Harness/cables, mounting hardware, USB memory stick, CAN terminator, GPS antenna (sensors not included)
- Part Number: 553-116
Convertible for use with Holley EFI to monitor up to 238 real-time values such as RPM, TPS, and boost.
FAQ
Do I need an ECU or fuel injection system to use this dash?
No, it's a standalone digital dash that installs like traditional gauges and doesn't require an ECU or EFI system.
How is the 12.3" dash different from the 6.86" version?
The 12.3" dash offers a larger viewing area for the hard-core enthusiast, though it does not include the integrated shift light found on the 6.86" model.
Can it work with a Holley EFI system?
Yes, it can be converted for use with Holley EFI to monitor up to 238 real-time values via the CANbus connection.
What's included in the box?
The harness/cables, mounting hardware, USB memory stick, CAN terminator, and GPS antenna are included; sensors are sold separately.
Can I log and review data from the dash?
Yes, it has an integrated datalogger with on-screen playback and full analysis available via USB and Holley's free datalog viewer software.
