Skip to main content

Holley EFI Pro Dash USB Service Harness

Part # 558-464 Be the first to write a review

CLEARANCE ITEM / ALL SALES FINAL - Replacement USB Harness

Holley EFI Pro Dash USB Service Harness

Estimated Ship Date: 06/12/2026
Find Similar In-Stock Items

CLEARANCE

All Sales Final

Advertised Price $26.95
$24.26
Save $2.69
Add to Wishlist
Notify Me When Available
3

Emissions

This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles.

See Emissions Details
Replacement USB Harness for Holley EFI Pro Dashes used with 553-111 and 553-112.

Features:

  • Replacement harness

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!

Brand Holley EFI
CategoryGauges and Gauge Accessories
ColorBlack
Emission Code3
Grade TypePerformance
Product TypeDigital Dash Harness / Adapter / Module
Universal Or Specific FitSpecific
UPC090127064832
Part Number558-464
3

This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles.


The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:

  • 1965 and older U.S. manufactured California Certified vehicles
  • 1967 and older U.S. manufactured Federally Certified vehicles
  • 1967 and older Foreign manufactured vehicle


WARNING: It is against the law to install this part on an Emissions Controlled Vehicle


The following vehicles are considered Emissions Controlled Vehicles:

  • 1966 and newer U.S. manufactured California Certified vehicles
  • 1968 and newer U.S. manufactured Federally Certified vehicles
  • 1968 and newer Foreign manufactured vehicle
To be used with Holley part numbers 553-111 and 553-112.
Reviews

    Your Review

    *Free Shipping and Handling only offered to the contiguous US on orders over $149, excludes clearance parts and oversized packages.

    Some parts are not legal for use in California or other states with similar regulations.