SKU: 72388246538

Black Super Conductor Big Block Chevy '75-on, HEI - 31773

Sale price$93.57 Regular price$103.97
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Description

Black Super Conductor Big Block Chevy '75-on, HEI - 31773Overview: Engineered from the inside out, the 8. 5 offers everything you have ever wanted in a wire; incredibly low resistance without electronic interference! In a single 12 inch length of Super Conductor Wire there is only 40 50 ohms of resistance! That is the lowest resistance of any helically wound wire. To accomplish this, we use a copper alloy conductor due to it's great voltage carrying capabilities. The low resistance results in less loss in

Overview:

Engineered from the inside out, the 8.5 offers everything you have ever wanted in a wire; incredibly low resistance without electronic interference! In a single 12 inch length of Super Conductor Wire there is only 40 - 50 ohms of resistance! That is the lowest resistance of any helically wound wire. To accomplish this, we use a copper alloy conductor due to it's great voltage carrying capabilities. The low resistance results in less loss in spark energy so more reaches the spark plug. The conductor is wound extremely tight around a special center core. So tight in fact, that there is over 40 feet of conductor wrapped into a single foot of plug wire. This winding procedure, combined with a ferro-magnetic impregnated center core, produces an extremely effective Electro Magnetic Interference (EMI) "choke". This choke, or suppression capability, keeps the EMI inside the wire where it cannot interfere with other electronics on your vehicle. The outer sleeve that surrounds the conductor assembly is just as impressive. A proprietary blend of silicone and synthetic material produce a sleeve that is highly resistant to high heat as well as abrasion and tears. The MSD's 8.5mm spark plug terminals feature Dual Crimp terminals. As the name implies, the terminals feature two crimps; one for the sleeve of the wire and another separate crimp to grasp the conductor. The MSD's 8.5mm spark plug terminals feature Dual Crimp terminals. As the name implies, the terminals feature two crimps; one for the sleeve of the wire and another separate crimp to grasp the conductor.

Features:

    Application:

    Year Make Model Submodel Engine Size
    1977 - 1980 Chevrolet C10 Suburban 4.25/8 V
    1978 GMC C25 Sierra Grande 4.25/8 V
    1977 - 1986 Chevrolet C30 4.25/8 V
    1979 - 1986 GMC K3500 4.25/8 V
    1978 GMC C25 Suburban Base 4.25/8 V
    1987 Chevrolet V30 4.25/8 CARBV
    1977 - 1986 Chevrolet C20 4.25/8 V
    1977 - 1986 Chevrolet K30 4.25/8 V
    1979 GMC C1500 4.25/8 V
    1977 - 1978 Chevrolet K5 Blazer 4.25/8 V
    1978 GMC C25 Suburban Sierra Classic 4.25/8 V
    1977 - 1986 Chevrolet C20 Suburban 4.25/8 V
    1977 - 1978 GMC C35 4.25/8 V
    1977 - 1978 GMC K25 4.25/8 V
    1985 Chevrolet K20 Suburban 4.25/8 V
    1979 - 1986 GMC C2500 Suburban 4.25/8 V
    1987 GMC R3500 4.25/8 CARBV
    1977 - 1979 Chevrolet C10 4.25/8 V
    1979 - 1986 GMC C2500 4.25/8 V
    1987 GMC V3500 4.25/8 CARBV
    1979 - 1986 GMC C3500 4.25/8 V
    1977 GMC C25 Suburban 4.25/8 V
    1978 GMC C25 Suburban Sierra Grande 4.25/8 V
    1978 GMC C25 Sierra Classic 4.25/8 V
    1980 Chevrolet C10 Cheyenne 4.25/8 V
    1978 GMC C25 High Sierra 4.25/8 V
    1977 - 1978 GMC C15 Suburban 4.25/8 V
    1977 - 1978 GMC C15 4.25/8 V
    1978 GMC C25 Suburban High Sierra 4.25/8 V
    1977 - 1978 Chevrolet K20 4.25/8 V
    1980 Chevrolet C10 Custom Deluxe 4.25/8 V
    1987 Chevrolet R30 4.25/8 CARBV
    1980 Chevrolet C10 Silverado 4.25/8 V
    1978 GMC C25 Base 4.25/8 V
    1980 Chevrolet K10 4.25/8 V
    1979 GMC C1500 Suburban 4.25/8 V
    1980 Chevrolet C10 Scottsdale 4.25/8 V
    1980 Chevrolet C10 Big Ten 4.25/8 V

    Specs:

    1 Cylinder 31”
    2 Cylinder 39”
    3 Cylinder 37”
    4 Cylinder 28”
    5 Cylinder 28”
    6 Cylinder 29”
    7 Cylinder 27”
    8 Cylinder 29”
    Brand MSD
    Emission Code 5
    Product Type Spark Plug Wires
    Warranty Limited 1 Year Warranty
    Shipping Notes
    • Free Standard Shipping on $100+ Orders to the USA.
    • Except Preorder products are shipped in 48 hours.
    • Delivery to the USA:
    1. Standard Shipping : 3-10 business days
    • If time is of the essence, please consider selecting expedited delivery for faster service.
    Exchange/Return Notes
    • We offer a 30-day return/exchange service after receiving.
    • Final sale items are not eligible for returns or exchanges.
    • To process your return/exchange, please contact us at [email protected]
    • Please click here for more details>>> Return & Exchange Policy
    SKU: 72388246538

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    4.4 ★★★★★
    Based on 2081 reviews
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    Gavin
    Birmingham, US
    ★★★★★ 5
    Its ok
    Color: G2856-all silver
    Its a nice watch but the band feels a little cheap the adjustment tool broke on me but overall nice looking watch for the money UPDATE: they are giving me a watch of my choice instead of a refund i really love this watch it looks amazing iv been getting compliments left and right 5/5 star's would buy again
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 28, 2026
    C
    Verified Purchase
    Corey
    Charlottesville, US
    ★★★★★ 5
    Amazing Quality & Price
    Color: Black Band and Blue Face, Color: Black Band and Blue Face
    Exactly as described. It looks absolutely stunning in person. It's very lightweight. Adjustable metal band with tool for ejecting the pins and band pieces. Movement around my wrist feels great and not pinching my arm hairs. Extremely easy to use and set up. Fits perfectly after making some minor adjustments on the band. Battery life promise of 10 years.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 17, 2026
    G
    Verified Purchase
    Gustavo Salinas
    Massapequa, US
    ★★★★★ 5
    Not bad for a watch under 50 bucks
    Color: G2856-all silver, Color: G2856-all silver
    Im not sure what material this watch is made of but the band doesn’t sound weird, it doesn’t feel like a very solid watch but it really looks fancy and nice i really like it a lot,plus lets be realistic you can have high expectations for 40 bucks, is the first one I bought from this brand, I would like to buy yhe automatic one that is around 150 but i want to try the cheapest one first and see if i like it or not, so far im happy i will update in some time to see how’s holding up
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 24, 2026
    K
    Verified Purchase
    Karol
    New York, US
    ★★★★★ 4
    Elegant and affordable—exceeds expectations.
    Color: Black Band and Blue Face
    ⭐⭐⭐⭐☆ (4/5) A very elegant watch offering excellent value for money. The blue design with gold accents looks modern and eye-catching—ideal for any occasion. The materials feel high-quality, and it keeps time with good precision. As a minor note, some of the sub-dials are decorative, and the strap can be a bit tricky to adjust. Overall, a very good purchase for the price. 👍
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on March 17, 2026
    L
    Verified Purchase
    Liz
    Phoenix, US
    ★★★★★ 5
    Beautiful watch, brilliant specs, recipient thrilled!
    Color: Gold Silver Band and Blue Face
    I was looking for an affordable watch for my son as a graduation gift and this is a BEAUTIFUL watch! Quartz movement and stainless steel and he is over the moon! Stunning.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 30, 2026

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