Digital Dash I/O Adapter w/Unterminated Vehicle Harness 558-433
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Features:
- Provides (10) addiitonal inputs/outputs to the 7" digital dash
- Brings out connections to a waterproof 26 pin connector similiar to ones used on EFI units
- Includes USB memory stick to update digital dash firmware that supports adapter
- Part number for Digital Dash I/O Adapter 558-432
About Holley EFI

Find standalone EFI for LS, Coyote, Hemi and more at Holley.com. From engine swapping to managing up to 4000 horsepower, we have a solution for every project!
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