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Accel Super Coil Packs - Yellow (99-04 Cobra, Mach 1)

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Market Price $239.99 You Save 17% ($40.04)
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$199.95

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  • Item 37223

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    Features & Details

    • 10-15% More Energy Than OEM Coils
    • More Horsepower
    • Direct Bolt-On
    • Kit Includes (8) Coil Packs
    • Designed for 99-04 DOHC Four Valve Mustangs
    More Horsepower. The Accel Super Coil On Plug Kit makes more power then the wimpy stock oem factory coils to help produce more horsepower from your modern DOHC modular motor and are a perfect match for stock engines and engines with minor performance upgrades.

    Superior Design. Accel coils feature an advanced bobbin technology, highly specialized silicone magnetic steel cores, along with optimized winding, resistance and turns ratios to delivery 10-15% more energy than the stock OEM coils. More energy equals a hotter spark that burns fuel more completely releasing all it's potential energy translating into better fuel economy and more power that you can feel.

    Application. These Accel four valve Super Coil On Plugs are designed as a direct performance replacement for the 1999 to 2004 DOHC Cobra and Mach 1 Mustangs.

    Fitment: 1999 2001 2003 2004 Details

    MPN# 140034-8

    CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

    What's in the Box
    • (8) Coil Packs
    Installation Info
    Tech Specs
    Will it fit my Mustang?

      Customer Photos (9) Submit Your Photo

      View All 9 Photos

        Questions & Answers (6)

        5 Top Rated Questions

        Do you have to retune your car after installation? Car has pro charger with 9lbs boost , long tubes, and has been dyno tuned. It also has a long list of other mods.

        • The addition of these coil-on plugs will not require you to have your Mustang retuned. Hope this helps!

        Helpful (1)

        im interested in a set of these for my mach 1 I would like to know thee warranty these have on them

        • Accel (Holley Performance) covers these for 90 days. 

        Helpful (0)

        What is the warranty on this product?

        Will these coils be compatible with motorcraft oem plugs?

        • Yes, these coil packs are going to work with the OEM plugs.

        Helpful (0)

        How much morr horse power will i gain

        • We saw a curve gain of 10RWHP and 9RWTQ when installing a set of these Accel Super coils.

        Helpful (0)
        Post Your Question
        1 More Question
        What Kind of spark plugs do you recomend with this product. I have a 2003 cobra with a Jlt cold air intake , a 2.8" supercharger pulley and a sct custom tune that makes 457 rwhp. Just wanted to add a little more power. 2 answers

          Customer Reviews (28) Write a Review

          Overall Rating 4.8

          out of 5 stars

          Installation Time:Less than 1 Hour

          • Performance Gain 4.538462 4.5
          • Fit 5 5



          • 5/5

            Installation Time: Less than 1 Hour

            April 03, 2019

            One small step

            Haven't started the motor yet but they do fit. More info when I get there.

            BenM

            Year: 1999 Submodel: Cobra

            Helpful (0)

          • 5/5

            Installation Time: Less than 1 Hour

            December 28, 2018

            Excellent Product

            Easy to install, improved acceleration, it's worth the money

            Luis

            Year: 2008 Submodel: GT500

            Helpful (4)

          • 5/5

            Installation Time: Less than 1 Hour

            November 08, 2018

            Accel super coils

            The new coils work great. They were easy to install, and I immediately noticed more power.

            Mike

            Year: 1999 Submodel: Cobra

            Helpful (4)

          • 5/5

            Installation Time: Less than 1 Hour

            October 21, 2018

            Excellent

            Best thing money can buy... big power differents....

            Kel

            Year: 2004 Submodel: Mach 1

            Helpful (4)

          • 5/5

            Installation Time: Less than 1 Hour

            October 16, 2018

            Misfire problem

            Had engine misfire when going full throttle at lower rpms at track. Car is 15 years old and is mostly a track car so time and conditions had taken a toll on the original coil packs. Installed the Accel coils and tested at low rpms and found misfire corrected.

            Terminator

            Year: 2003 Submodel: Cobra

            Helpful (4)

          • 5/5

            Installation Time: Less than 1 Hour

            September 04, 2018

            Accel

            They work great I have no complaints. They do what they’re supposed to

            ChristopherR

            Year: 1999 Submodel: Cobra

            Helpful (4)

          • 5/5

            Installation Time: Less than 1 Hour

            July 21, 2018

            ACCEL Coil Packs

            In my opinion great product. Had these for about a year installed and they have been very reliable and consistent. That's all you can ask for with a good coil pack. I've seen reviews of getting one or two bad ones with other coil packs but these all worked great.

            TimothyN

            Year: 2003 Submodel: Mach 1

            Helpful (6)

          • 5/5

            Installation Time: Afternoon

            May 20, 2018

            99 Cobra Coil Pack Change

            Great fit and the easier side of the job. Third Mustang I have used these coil packs on.

            MarkG

            Year: 1999 Submodel: Cobra

            Helpful (6)

          • 5/5

            Installation Time: Less than 1 Hour

            February 28, 2018

            coil packs

            Easy installation. Recommend upgrade. Product as described.

            Macher

            Year: 2004 Submodel: Mach 1

            Helpful (6)

          • 5/5

            Installation Time: Less than 1 Hour

            September 28, 2017

            1999 mustang cobra 4.6 dohc

            well after washing my engine bay my engine developed a miss try cleaning and drying coils nothing worked so i replaced all coils with these accel super coils and mustang has never run better thanks

            9cobra9

            Year: 1999 Submodel: Cobra

            Helpful (7)

          • 4/5

            Installation Time: Less than 1 Hour

            September 13, 2017

            Love them!

            I love these Accel super coil on plugs...they really live up to their hype...

            StewartB

            Year: 2003 Submodel: Mach 1

            Helpful (7)

          • 5/5

            Installation Time: Less than 1 Hour

            June 25, 2017

            nice

            my skipping went away fast shipping nice product thanks again

            ericw

            Year: 1999 Submodel: Cobra

            Helpful (7)

          • 5/5

            July 19, 2016

            Hotter spark, more power.

            The coils make noticable acceleration increases smoother and more in tune to the engine's response when you step on the accelerator. The old original Motorcraft coils had 92,000 miles on them and didn't 'lock' snug onto the tips of the spark plugs in their tubes. These new Accel coils do. So the electrical contact to the plugs is direct. I'm happy with the way these products perform.

            Venom1999

            Year: 1999 Submodel: Cobra

            Helpful (8)

          • 5/5

            Installation Time: Less than 1 Hour

            August 23, 2014

            way better than stock

            Awesome coil packs had a miss fire under heavy loads it fixed that and the car drives so smooth now and has plenty of power now.

            xspamx486

            Year: 2003 Submodel: Mach 1 Florida

            Helpful (8)

          • 5/5

            Installation Time: Less than 1 Hour

            August 11, 2014

            2003 Mustang Cobra

            These are a great replacement for the stock coils. They fit right in place without issue. Noticed a smoother idle,and better throttle response. I doubt I gained any significant horsepower, but for the price they did what I needed them to do. Can't go wrong if you are looking for a good coil at a decent price. Now I just have to see how they hold up.

            ML302

            Year: 2003 Submodel: Cobra Cibolo, TX

            Helpful (8)

          • 4/5

            Installation Time: Less than 1 Hour

            July 28, 2014

            03 Mach 1

            Great bang for the buck. Only took about 20 minutes to install

            Roberts03Mach1

            Year: 2003 Submodel: Mach 1 Olive Branch, MS, USA

            Helpful (8)

          • 5/5

            Installation Time: Less than 1 Hour

            June 12, 2014

            Awesome!

            These coils are great. Runs much smoother and better performance. Beats spending $40 per coil for OEM. I recommend these for all 4v mustangs.

            ZaxMach1

            Year: 2004 Submodel: Mach 1 Toledo, OH, USA

            Helpful (8)

          • 5/5

            Installation Time: Less than 1 Hour

            March 26, 2014

            Easy install more power

            I purchased these coils for my 2001 cobra and could feel a noticeable difference in acceleration. The install took 30 minutes and is easy for anyone to do. Good bolt on for decent price.

            RoyCobra180

            Year: 2001 Submodel: Cobra Texas

            Helpful (7)

          • 5/5

            Installation Time: Afternoon

            March 09, 2014

            Accel Super Coil on Plugs for my 2003 Mach 1

            After 145,000mi on my factory original coils, one went bad. I replaced them with a set of these Accel Super Coils along with new spark plugs. The combined new parts made a huge difference! I highly recommend these for anyone with a Cobra or Mach 1.

            cschnell4705

            Year: 2003 Submodel: Mach 1 Hemet, CA, USA

            Helpful (8)

          • 5/5

            Installation Time: Less than 1 Hour

            July 08, 2013

            Couldn't have been easier!

            Was getting a slight miss at higher rpm's. Cobra has 150K miles. This (and a new set of Iridium plugs) have taken care of the issue. Highly recommend this product.

            TimmL

            Year: 2001 Submodel: Cobra Saint Paul, MN, USA

            Helpful (8)

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