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Pro-Dash Input/Output Harness

Unterminated Input/Output wiring

Part # 558-456

Pro-Dash Input/Output Harness

In Stock
Free Shipping - Lower 48 US States
$215.95
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3

Emissions

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

See Emissions Details
The 558-456 wiring kit is intended to fully populate all of the inputs and outputs for PNs 553-111 and 553-112 Pro Dashes. These can easily be inserted into the existing 34 pin dash connector. It contains loose wires and 2 and 3 conductor cable (jacketed but not shielded). The wire is 20 gauge TXL. There are TE Superseal pins crimped on every wire and cable. There are also extra pins that can be used (likely needed when using the jacketed cable for more than one sensor). The kit contents include the following. The installer can choose to match the color and functions given in the instructions for consistent installations. 17 loose wires (10 feet each) with crimped tyco pins, in various colors. 2 Conductor Cable (Black/Blue) 20 Feet 3 Conductor Cable (Orange/Green/Black)40 Feet Superseal Pins 20 Superseal Plugs 20

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Brand Holley EFI
Emission Code3
Product TypeHarness
UPC090127101780
Part Number558-456
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

*Free Shipping & 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.