Holley EFI 553-111 Holley EFI 12.3' Pro Dash
Holley EFI 12.3' Pro Dash includes everything needed for installation! The Holley EFI 12.3' Pro Dash also features a plethora of inputs and outputs for expanded functionality of your Holley EFI installation. The included 34pin connector has 13 multi-configurable inputs for most Holley EFI sensors, such as pressure and temperature.
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