Holley Pro Dash-compatible ECU dummy unit—available in both sizes—for accurate mockups, dashboard fabrication, and custom vehicle integration. Fully customizable for prototyping and installation planning.

Description

Please Read

Holley Pro Dash 12.3 Dummy for Mockup Fabrication, ECU Dummy, Customization available.

I designed this replica of a Holley Pro dash 12.3 to be used during wiring or fab work.  To keep from damaging the delicate and expensive ECU.  All the plugs clip in as they should.  Multiple color options available.  personalization available.

Please feel free to email me at wonderland3dprinting@gmail.com

PLA, while biodegradable and versatile, is sensitive to UV (ultraviolet) radiation from direct sunlight. Prolonged exposure to sunlight can cause PLA products to degrade, become brittle, or lose structural integrity over time.

May contain small parts and may not be suitable for small children, please use with supervision.
Please note colors may vary due to screen and mobile settings.
**PLEASE NOTE: UNFORTUNATELY, I CAN NOT GUARANTEE OR REPLICATE THE COLORS PRINTED IN RAINBOW OR GRADIENT FILAMENTS ON REQUEST. THE COLORS THAT ARE PRINTED DEPENDS ON WHERE THE COLORS ARE ON THE SPOOL AT TIME OF PRINTING. **
All custom orders are non-refundable/no returns or exchanges on custom orders.

design by: wonderland3dprinting
As always, please reach out with any questions you may have, including special orders of specific colors!

Explore more from our collection.