Holley Engine Harnesses 558-433 Item Image
Holley

Holley Digital Dash I/O Adapter with unterminated Vehicle Harness

SKU: 1D699 | MPN:  558-433
Only 10 units left
Sale price$396.19 USD

I/O Adapter w/Unterminated Vehicle Harness

Features:
  • Provides ten addiitonal inputs/outputs to the 7" digital dash
  • Brings out connections to a waterproof 26 pin connector similiar to ones used on EFI units
  • Item includes USB memory stick to update digital dash firmware that supports adapter

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