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    • MSD Street-Fire Spark Plug Wire Set, Universal V8, Multi-Angle Plug/HEI | 5550
    • MSD Street-Fire Spark Plug Wire Set, Universal V8, Multi-Angle Plug/HEI | 5550
    • MSD Street-Fire Spark Plug Wire Set, Universal V8, Multi-Angle Plug/HEI | 5550
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    • Street-Fire Wire Set Multi-Angl Plug, Hei, Univ The Terminals Are Covered In Black Boots That Protect The Conductor From Engine Heat To Ensure Spark Delivery MSD Ignition
    • Street-Fire Wire Set Multi-Angl Plug, Hei, Univ The Terminals Are Covered In Black Boots That Protect The Conductor From Engine Heat To Ensure Spark Delivery MSD Ignition
    • Street-Fire Wire Set Multi-Angl Plug, Hei, Univ The Terminals Are Covered In Black Boots That Protect The Conductor From Engine Heat To Ensure Spark Delivery MSD Ignition
    • Street-Fire Wire Set Multi-Angl Plug, Hei, Univ The Terminals Are Covered In Black Boots That Protect The Conductor From Engine Heat To Ensure Spark Delivery MSD Ignition
    • Street-Fire Wire Set Multi-Angl Plug, Hei, Univ The Terminals Are Covered In Black Boots That Protect The Conductor From Engine Heat To Ensure Spark Delivery MSD Ignition
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    Sale!

    MSD Street-Fire Spark Plug Wire Set, Universal V8, Multi-Angle Plug/HEI | 5550

    Vendor: MSD
    Part Number: 5550
    Save $11
    Sale Price $81.95 Regular Price $92.95

    Available to order. In-stock orders typically ship in 1 to 2 business days.

    Not sure it fits your vehicle?
    Email sales@berryperformancesales.com with your year, make, model and engine, and we'll help you check fitment before you order.
    Fast Fulfillment: In-stock orders typically ship within 1 to 2 business days.
    Free Shipping on Orders Over $99 | Excludes freight shipments
    International Shipping Available: email sales@berryperformancesales.com for a quote.
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    MSD's Street Fire spark plug wires use a low-resistance conductor wrapped in a durable black sleeve, with boots that shield the terminals from engine heat for consistent spark delivery.

    Specifications:

    • Application: Universal V8
    • Terminal Style: Multi-angle plug boot, HEI distributor cap
    • Boot Material: Silicone
    • Core: Copper
    • Resistance: 500 Ohms Per Foot
    • Color: Black
    • Wire Series: Street Fire
    • Part Number: 5550

    The multi-angle boot design accommodates varied spark plug locations on universal V8 applications.

    FAQ

    What engines fit the MSD 5550 wire set?

    It's a universal-fit set designed for V8 engines running an HEI distributor cap.

    What does "multi-angle" boot mean?

    The spark plug boots are shaped to accommodate a range of plug orientations rather than a single fixed angle.

    What is the resistance rating?

    500 ohms per foot with a copper conductor core.

    Shipping Policy
    • Free shipping on orders over $99 (excludes freight shipments).
    • In-stock orders typically ship within 1 to 2 business days. Weekend and holiday orders are processed the next business day.
    • Orders ship from Defiance, Ohio and a nationwide network of warehouses and manufacturers.
    • Items showing an ETA are not in stock yet. ETAs come from the manufacturer and can change.
    • No P.O. Boxes. International orders need a shipping quote, so email us first.

    Read the full Shipping Policy

    Return Policy
    • 30-day return window from the ship date. Returns must be approved first; email sales@berryperformancesales.com with your order number.
    • Items must be unused, complete and in the original packaging.
    • A 20% restocking fee applies, and return shipping is paid by the buyer.
    • Not returnable: installed or modified parts, opened or used programmers and tuners, custom orders, Open Box, and Clearance or Final Sale items.
    • Damaged, defective or incorrect items must be reported within 48 hours of delivery with photos.

    Read the full Return Policy

    Disclaimer

    All products are sold for off-road use only unless otherwise specified. Buyer assumes all responsibility for installation and operation. Seller is not liable for any incidental, indirect, or consequential damages — including engine failure, labor costs, or vehicle downtime — resulting from the use of any product sold.

    By making a purchase from Berry Performance Sales, you acknowledge and agree to abide by the terms and conditions of these Policies.

    For any questions or concerns, please contact us — we’re always happy to help.

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