SKU: 297206473

Pro-Dash Input/Output Harness - 558-456

Sale price$134.97 Regular price$149.97
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Ships within 48 hours · Estimated delivery Jul 13 - Jul 18

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Description

Pro-Dash Input/Output Harness - 558-456Overview: 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

Overview:

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

Features:

    Application:

    Year Make Model Submodel Engine Size
    Universal

    Specs:

    Brand Holley EFI
    Product Type Harness
    Shipping Notes
    • Free Standard Shipping on $100+ Orders to the USA.
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    Exchange/Return Notes
    • We offer a 30-day return/exchange service after receiving.
    • Final sale items are not eligible for returns or exchanges.
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    SKU: 297206473

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    4.2 ★★★★★
    Based on 1660 reviews
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    Cool Kid
    Los Angeles, US
    ★★★★★ 5
    Awesome value! Great fit!
    Size: XX-Large, Color: Black
    Complete men's suit for under $70!!! Crazy!! My husband is thrilled with this suit! We ordered a XXXL but it was a bit baggy. Ordered the double XL and it was perfect! Husband is 6'1, waist 38, broad chested. No adjustments or hemming needed! Love it!
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    Reviewed in the United States on April 4, 2026
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    Verified Purchase
    Richard C Gelina
    Birmingham, US
    ★★★★★ 5
    I felt cute
    Gorgeous. Little snug for the jacket for recommended size but I got 6 months to lose some stomach to fit better LOL I don't blame the jacket.
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    Reviewed in the United States on April 7, 2026
    B
    Verified Purchase
    Brian McEachern
    Dallas, US
    ★★★★★ 3
    Color is not accurate
    Size: Medium, Color: Grey
    Suit quality is good. This is NOT dark grey. Its a very standard grey when you have it in person. I might return just for this reason as we were really looking for a dark grey suit.
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    Reviewed in the United States on February 7, 2026
    L
    Verified Purchase
    LoriP
    Draper, US
    ★★★★★ 5
    Stylish, Well-Made, and Comfortable!
    Size: XX-Large, Color: Black
    I recently purchased this 3-piece suit for my grandson, and I’m very impressed with the quality and fit. The fabric feels durable yet soft, and the tailoring gives it a sharp, modern look without feeling too stiff. The vest adds a classic touch and elevates the overall style. The sizing was accurate, and the suit was comfortable to wear for long hours at work and events. The jacket, pants, and vest all coordinate perfectly, and I appreciate the attention to detail, like the lining and buttons. Whether you’re attending a wedding, business meeting, or formal event, this suit looks expensive without breaking the bank. Highly recommend for anyone looking for a versatile, stylish 3-piece suit!
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    Reviewed in the United States on October 11, 2025
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    Jamie Ruggles
    Louisville, US
    ★★★★★ 5
    Nice quailty vest
    The grandsons looked handsome in their uncles wedding. True to size fit perfect. Good quailty
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    Reviewed in the United States on February 11, 2026

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