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Holley EFI Pro Dash Standalone Service Harness 558-457 HOLLEY Autoparts

Holley EFI Pro Dash Standalone Service Harness 558-457

$363.95 - $363.95
$363.95
$363.95 - $363.95
$363.95

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You have 30 days to request a return. All sale items are final sale.

Holley EFI Pro Dash replacement harness for standalone digital dashes.

Features:

  • Direct replacement
  • Plug and Play
  • New connectors
  • Unterminated sensor leads

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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