Free shipping on orders over $100 - Details
ASK OUR EXPERTS
1-866-464-6553
Holley EFI

Pro-Dash Input/Output Harness

Unterminated Input/Output wiring

Part # 558-456
In Stock
Free Shipping
Your Price
$202.95
Suggested Retail
$226.00
Add to Wish List
Create a new list
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

About Holley EFI

Holley is the new standard in EFI! Whether you're engine swapping your classic car or need to manage 4000 horsepower in your twin-turbocharged drag radial race car, Holley EFI has the solutions you need to get your project up and running better than ever!

Brand Holley EFI
Product TypeHarness
UPC090127101780
Part Number558-456

*Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.

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