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Home / Shop / Digital Dash I/O Adapter w/Terminated Vehicle Harness

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Holley EFI

Digital Dash I/O Adapter w/Terminated Vehicle Harness

Part # 558-434

$472.95

In Stock

I/O Adapter w/Terminated Vehicle Harness

Features & Benefits
Brings out connections to a waterproof 26 pin connector similiar to ones used on EFI units

Fits: Digital Dash I/O Adapter with terminated Vehicle Harness

Installation note: A USB memory stick has been provided to update your digital dash with the firmware that supports the I/O adapter. This update will replace all your screens with the factory standalone default. To update, turn off the dash, plug in the USB stick, and power on. Do not remove power until after the update is complete.

Product Video