SKU: 16047514488

Red Super Conductor Ford 351M-400, HEI - 31339

$93.57 $103.97
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Description

Red Super Conductor Ford 351M-400, HEI - 31339Overview: 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 - 1982 Ford F-350 4/8 V
    1977 - 1981 Ford F-150 4/8 V
    1977 Mercury Cougar Villager 4/8 V
    1977 Ford LTD II S 4/8 V
    1980 - 1982 Ford E-250 Econoline Club Wagon 4/8 V
    1977 - 1978 Mercury Marquis 4/8 V
    1977 - 1978 Ford LTD Base 4/8 V
    1977 Mercury Cougar Base 4/8 V
    1977 - 1982 Ford F-250 4/8 V
    1978 - 1981 Ford Bronco 4/8 V
    1978 - 1979 Mercury Cougar 4/8 V
    1972 - 1978 Ford Ranchero GT 4/8 V
    1977 - 1978 Ford Ranchero 500 4/8 V
    1977 - 1978 Ford LTD Landau 4/8 V
    1977 Ford LTD II Base 4/8 V
    1977 Ford Custom 500 Base 4/8 V
    1977 - 1979 Ford Thunderbird 4/8 V
    1977 - 1978 Ford Ranchero Squire 4/8 V
    1977 Mercury Cougar Brougham 4/8 V
    1977 - 1978 Lincoln Continental 4/8 V
    1977 Ford LTD II Squire 4/8 V
    1978 - 1979 Ford LTD II 4/8 V
    1977 - 1979 Ford F-100 4/8 V
    1979 Ford Ranchero 4/8 V
    1977 - 1978 Lincoln Mark V 4/8 V
    1977 - 1978 Mercury Grand Marquis 4/8 V
    1979 Lincoln Mark V /
    1980 - 1981 Ford E-250 Econoline 4/8 V
    1977 Mercury Cougar XR-7 4/8 V
    1972 - 1973 Ford Ranchero GT U/K/8 V
    1977 Ford LTD II Brougham 4/8 V
    1980 - 1982 Ford E-350 Econoline Club Wagon 4/8 V
    1977 - 1978 Ford LTD Country Squire 4/8 V
    1980 - 1982 Ford E-350 Econoline 4/8 V
    1979 Lincoln Continental /
    1977 Ford Custom 500 Ranch Wagon 4/8 V
    1980 Ford E-100 Econoline 4/8 V

    Specs:

    1 Cylinder 30”
    2 Cylinder 30”
    3 Cylinder 30”
    4 Cylinder 32”
    5 Cylinder 31”
    6 Cylinder 40”
    7 Cylinder 30”
    8 Cylinder 30”
    Brand MSD
    Coil Wire 14”
    Emission Code 5
    Product Type Spark Plug Wires
    Warning California Proposition 65
    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: 16047514488

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    4.2 ★★★★★
    Based on 795 reviews
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    Product Reviews
    C
    Verified Purchase
    Cienfuegos
    Dallas, US
    ★★★★★ 5
    Great watch!!!!
    Color: Grey
    Excellent quality, one of the best, elegant.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 6, 2026
    T
    Verified Purchase
    T. H.
    Carnegie, US
    ★★★★★ 5
    Excellent value for an automatic watch, keeps VERY good time.
    Color: Grey, Color: Grey
    I've only had the watch for a day but wanted to leave a quick review on it to share a couple of notes. So far it keeps VERY good time, better than any of the automatics I own (including a Rolex Submariner, Tag Heuer Aquaracer, Tag Heuer Formula One, and several other sub $1k watches). I set it to an atomic time app on my phone yesterday and 24 hours later it's still SPOT on - hasn't gained/lost even a 1/10 of a second. I was shocked to see it's kept PERFECT time for the last day, I'm really blown away so far. I've worn it the entire time, we'll see how well it keeps time while being stored in a winder. This picture shown is the watch with a 22mm leather band on it, fit's without any issues (just need to squeeze in the leather a tad). I doubt it would work with a 22mm metal bracelet, but leather works great. Just FYI since the 21mm lug width is kind of odd. The face isn't quite a lustrious as the images make it look, but it's still a great-looking watch. For a sub $1000 automatic you can't go wrong, this is a fantastic watch at a great price. It'll be my daily driver for some time I'm sure. If I have any issues in the future I'll update the review.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on March 22, 2021
    B
    Verified Purchase
    Beniamin Grigoryan
    Chelsea, US
    ★★★★★ 5
    It looks really cool and striking.
    Color: Grey, Color: Grey
    Really cool and beautiful watch. Although my specific unit runs 5 seconds fast every day—at first it’s annoying, but eventually you stop caring. 🤣
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on April 16, 2026
    P
    Verified Purchase
    Paul Andreini
    Port Orchard, US
    ★★★★★ 5
    A Beautiful Timepiece at an Awesome Price!!
    Color: Grey, Color: Grey
    I have lusted after this watch for four months. I first tried on a similar model (stainless steel band with a green face) in a local jewelry shop (Spitz Jewlers, Walnut Creek, CA, USA). It was "love at first sight," even if I didn't love the white lines on the face from 12-6 and 3-9. At the time, the MSRP was $775. The MSRP has since increased to $795. But I bought this beauty on Amazon.com for only $524.99; after applying the cash-back from my Prime credit card, this watch costs only $498.75. This was "the offer that I could not refuse," to quote from "The Godfather." Accuracy could be better: after only a few days, it is now 7 seconds behind my phone (to which I set my new watch). But I don't really care about that all that much. This is why I rated "accuracy" at 4 stars, but my overall review is 5 stars. My video shows the date changing suddenly at 11:59:59pm, just how I want it; in another photo, you can see that my Seiko changes the date more slowly, which I do not like. This watch is absolutely phenomenally beautiful. If you're on the fence over whether to make this purchase, then I would say "go for it!" You will not find a prettier, more accurate watch at a lower price in ANY store in the entire USA.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on April 28, 2023
    P
    Verified Purchase
    pradeepkanth
    Omaha, US
    ★★★★★ 4
    Classy and sporty. Great value!
    Color: Grey, Color: Grey
    Excellent watch for the price. Looks sporty and dressy. More towards dress watch. Blue is dynamic. Strongly recommend blue for sporty feel. I was thinking of aqua terra. This come close to it with a price less than what i would have paid my state tax for omega aqua terra. My only concern is bracelet which i feel kind of OK. Better bracelet design would have made this watch much superior. 21 lug width is awful. Other than that, nothing to complain.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on July 13, 2020

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