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Holley EFI 558-434 - Digital Dash I/O Adapter w/Terminated Vehicle Harness

Digital Dash I/O Adapter with terminated Vehicle Harness

I/O Adapter w/Terminated Vehicle Harness
Availability: Call to check stock.
Shipping: Free Shipping* On Orders Over $99!
Pricing: $275.95
Free U.S. Continental Shipping


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
Harness includes USB memory stick to update digital dash firmware that supports adapter

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California Prop 65WARNING: Cancer & Reproductive Harm -


  • 558-434
  • 558-434
  • 090127734407
  • Holley EFI
  • Call to check stock.
  • New

Shipping Information

  • Item Requires Shipping
  • 1.0 lbs.
  • W3.0000” x H2.0000” x L7.5000”
  • Free U.S. Continental Shipping
  • Free Shipping* On Orders Over $99!


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