Holley EFI Digital Dash I/O Adapter w/Terminated Vehicle Harness

I/O Adapter w/Terminated Vehicle Harness 

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