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MSD Ignition Black Universal 8.5mm Spark Plug Wire Set 8-Cylinder


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Black Universal 8.5mm Spark Plug Wire Set 8-Cylinder
More than 10 available
Black Universal 8.5mm Spark Plug Wire Set
  • 8-Cylinder
  • Distributor Boots: 90° HEI (Male Post)
  • Plug Boots: Straight (Multi-angle)
  • Ships

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    31183 is rated 4.4 out of 5 by 7.
    Rated 5 out of 5 by from Great spark plug wires You can't beat MSD electrical supply's. Top quality wire that are long enough to get proper routing around headers. Don't like the crimper that came supplied so I used my own. I would get one from Amazon.
    Date published: 2022-08-29
    Rated 5 out of 5 by from Low ohms Really great wire set and what’s really nice is the included wire crimper to make the wires, super easy, terminals are crimped on tight like they where welded on. MSD claims only 50 ohms of resistance and my set measured 48. I have aluminum heads with tall valve covers and standard pre made to fit wires don’t exactly fit right, 3 wires are usually short and these you just cut for a perfect fit. Another great product from MSD.
    Date published: 2019-06-04
    Rated 5 out of 5 by from Excellent plug wire set. These wire sets are great for high compression engines. Look forward to year's of service.
    Date published: 2016-11-16
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    what is the size of the spark plug boot? I'm wanting to get spark plug boot sleeves. Jegs has them in 7/8" or Taylor has them in a 1".

    Asked by: Ballan
    These boots are universal and will fit any plug wire of 8.5mm in diameter.
    Answered by: Rusty B
    Date published: 2023-02-06
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    Some parts are not legal for use in California or other states with similar laws / regulations

    Motor Vehicles

    WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.


    WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.

    Electrical Cords

    WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.