Super Conductor Spark Plug Wire Set, Chevy 454 ’75-On HEI - 31779
SKU: 63251168277

Super Conductor Spark Plug Wire Set, Chevy 454 ’75-On HEI - 31779

Sale price$179.95 Regular price$199.95
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Ships within 48 hours · Estimated delivery Jul 8 - Jul 13

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Description

Super Conductor Spark Plug Wire Set, Chevy 454 ’75-On HEI - 31779Overview: 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
    1977 - 1979 Chevrolet C10 4.25/8 V
    1977 - 1986 Chevrolet C20 Suburban 4.25/8 V
    1977 - 1986 Chevrolet C20 4.25/8 V
    1977 - 1986 Chevrolet C30 4.25/8 V
    1977 - 1978 Chevrolet K20 4.25/8 V
    1977 - 1986 Chevrolet K30 4.25/8 V
    1977 - 1978 Chevrolet K5 Blazer 4.25/8 V
    1977 - 1978 GMC C15 Suburban 4.25/8 V
    1977 - 1978 GMC C15 4.25/8 V
    1977 GMC C25 Suburban 4.25/8 V
    1977 - 1978 GMC C35 4.25/8 V
    1977 - 1978 GMC K25 4.25/8 V
    1978 GMC C25 Suburban Base 4.25/8 V
    1978 GMC C25 Suburban High Sierra 4.25/8 V
    1978 GMC C25 Suburban Sierra Classic 4.25/8 V
    1978 GMC C25 Suburban Sierra Grande 4.25/8 V
    1978 GMC C25 Base 4.25/8 V
    1978 GMC C25 High Sierra 4.25/8 V
    1978 GMC C25 Sierra Classic 4.25/8 V
    1978 GMC C25 Sierra Grande 4.25/8 V
    1979 GMC C1500 Suburban 4.25/8 V
    1979 GMC C1500 4.25/8 V
    1979 - 1986 GMC C2500 Suburban 4.25/8 V
    1979 - 1986 GMC C2500 4.25/8 V
    1979 - 1986 GMC C3500 4.25/8 V
    1979 - 1986 GMC K3500 4.25/8 V
    1980 Chevrolet C10 Big Ten 4.25/8 V
    1980 Chevrolet C10 Cheyenne 4.25/8 V
    1980 Chevrolet C10 Custom Deluxe 4.25/8 V
    1980 Chevrolet C10 Scottsdale 4.25/8 V
    1980 Chevrolet C10 Silverado 4.25/8 V
    1980 Chevrolet K10 4.25/8 V
    1985 Chevrolet K20 Suburban 4.25/8 V
    1987 Chevrolet R30 4.25/8 CARBV
    1987 Chevrolet V30 4.25/8 CARBV
    1987 GMC R3500 4.25/8 CARBV
    1987 GMC V3500 4.25/8 CARBV

    Specs:

    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: 63251168277

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    Josefrias
    Lexington, US
    ★★★★★ 5
    Perfect
    Size: 7, Color: Light Blue
    Love it . Good quality . Value for money . Perfect color . R sizing
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    Reviewed in the United States on April 23, 2026
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    Elkin Mauricio
    Massapequa, US
    ★★★★★ 5
    Calidad en Tela y presentación.
    Size: 10, Color: Beige
    El Traje divino, tal como la imagen. Solo le quedó un tris grande a mi hijo y listo.
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    Reviewed in the United States on April 20, 2026
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    Kara Robinson | IG: @booklistfordays
    Lexington, US
    ★★★★★ 4
    ⭐️⭐️⭐️⭐️⭐️ Perfect for My Suit-Loving 9-Year-Old 🤍👔✨
    My 9-year-old is obsessed with suits, and this one was a total win! 😍 The 3-piece set (blazer, vest, and pants) makes him feel so grown-up and confident. The linen material is lightweight and breathable, which is perfect for warm weather ☀️ — and it doesn’t wrinkle easily, which I appreciate as a parent 🙌. He loves that he can wear it different ways — full suit, just vest and pants, or blazer and pants. 👌 The fit looks sharp, and the adjustable waist is super helpful. Perfect for weddings, school events, church, or any time he wants to dress to impress. 💙 Definitely a favorite in our house! 🎉
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    Reviewed in the United States on February 28, 2026
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    Whitings
    Bozeman, US
    ★★★★★ 5
    Adorable special occasion suit for boys
    Size: 5, Color: Light Blue, Size: 5, Color: Light Blue
    I ordered this 3-piece suit for my son and even though it’s currently a little too big for him, I couldn’t resist keeping it because it’s absolutely adorable! The quality really impressed me right out of the package. The fabric feels lightweight and breathable, which will be perfect for warmer weather, and it has a nice polished look without feeling stiff. The set comes with a blazer, vest, and pants, and each piece is very well made. I love the little details like the lapel on the jacket, the adjustable strap on the vest, and the adjustable waist on the pants, which will definitely help as he grows. It looks like a much more expensive suit than it actually is. Even though my son will have to grow into it, I’m already excited for him to wear it. I’m thinking it will be perfect for Easter next year or any special occasion. It’s such a cute outfit, and I love that the pieces can be mixed and matched for different looks. Overall, I’m really happy with this purchase and can’t wait to see him wearing it! The blue color goes well for any occasion and I may have to order my husband a suit in matching shade of blue so they can be twins. The size looks accurate for boys 5T. I took a picture to show the pants next to a pair of unwashed Oshkosh B’Gosh brand straight leg 5T boys denim jeans.
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    Reviewed in the United States on March 11, 2026
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    Jordan
    Louisville, US
    ★★★★★ 5
    Perfect Summer Suit for Boys – Stylish and Comfortable!
    Size: 5, Color: Light Green
    I’m so impressed with this **boys' linen summer suit**! 👔🌞 It’s the perfect outfit for warmer weather while still looking sharp and stylish. The **linen fabric** is lightweight and breathable, making it ideal for those hot summer days. My son looked fantastic in it, and he was comfortable all day long, which is a big plus! The suit fits **true to size**, and the cut is modern yet classic. The **jacket** has a great, tailored look without being too stiff, and the **trousers** are just the right fit—not too baggy or too tight. It’s a very **polished** look for events like weddings, family gatherings, or holiday parties. I also love that the **color options** are vibrant and fresh, perfect for summer. The suit is **easy to care for**—I was worried about linen wrinkles, but it’s held up well after a few washes, and the fabric still looks crisp. Overall, this **boys' linen summer suit** is an excellent purchase for any special occasion or just to make your little one look extra sharp during the summer months. **Comfortable, stylish, and durable**—highly recommend! 🌟👔
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    Reviewed in the United States on March 10, 2026

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