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GMS Coil (05-10 V6)

Market Price $184.00 You Save 10% ($17.75)
Our Price

$166.25

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  • Item 65014
  • MPN# 26-1846HS

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Features & Details

  • Adds Up to 18 More HP
  • Improves Mileage and Throttle Response
  • Horizontal Connector
  • Direct Performance Replacement
  • Fits 2005-2010 4.0L V6 Mustangs
More Power. The Granatelli Motor Sports Coil Pack makes more power then the original weak factory oem factory coils to improve throttle response and to produce up to 18 more horsepower out of your Pony's 4.0L V6 motor.

Better Design, Better Fuel Economy. GMS's patented design features an improved spark that burns fuel more completely releasing all it's potential energy translating into better fuel economy and power. Plus this coil has 0 ohms of resistance, so it does not interfere with the radio or other electrical devices.

Application. The Granatelli Motor Sports Coil Pack is designed as a direct performance replacement upgrade for the 2005 to 2010 4.0L equipped V6 Mustangs. This coil pack is ideal for stock and mildly modified engines.

Fitment: 2005 2006 2007 2008 2009 2010 Details

What's in the Box
  • (1) Coil
Installation Info
Will it fit my Mustang?
  • V6 - 05, 06, 07, 08, 09, 10

People Who Bought This Item Also Bought

Most Helpful Reviews

5/5
Easy Upgrade

This was very easy to install. Not counting the new plugs and wires I did, replacing the coil took me about 10 minutes all together. The most important thing to remember is the proper sequencing of the ...

Read More
Helpful (10)

5/5
Great item

I had been waiting to order a Scream'in Demon coil pack and the day I decided , the Granatelli was added to the American Muscle site,,knowning the reputation of their products it was a no brainer for the ...

Read More
Helpful (9)

Overall Rating 4.6 out of 5 stars
Read All 48 Reviews

Customer Photos (20) Submit Your Photo

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11 Questions / 10 Answers

Ask a Question

Which coil gives out the most power? Out of the three coils AM sells, power wise they are uncomparable. The GMS can give up to 18hp more, another says it gives out 45000 volts, and the Accel has NO number to compare.

Fuzzyglory

  • They all allow more current flow than stock. All the specs are very close so go with Accel coil. It's less expensive and allows just as much current as the GMS. I put the accel on my wifes V6 stang and opened the spark plug gap on the Denso Iridium plugs an extra 5 thou . It works very well. better gas mileage , More power.

    WuTang

Show 1 more answer Helpful (3)

Is the GMS Coil pack any better than the Ford Factory Coil pack? I was told that the Factory Mustang Coil Pack puts out as hot a spark as the high priced Performance Coil packs...is that true? If so, will buying the GMS Coil Pack really make any difference?

MrPresident

  • The factory Ford coil is a very good piece, for very stock motors. When you start modifying, adding more fuel and air, you need more spark. The GMS coil puts out about 60,000V whereas the factory Ford coil has an output of around 20,000V. This will also be a great upgrade for any Mustang equipped with a V6. Don't forget to upgrade the wires and replace the spark plugs at the same time. More spark, more power, better fuel economy. Hope this answers your question and thanks for choosing American Muscle!

    SOLIDSSSNAKE

Show 2 more answers Helpful (1)

What kind of spark plug wires? And how many mm? Do I get for it

ArnulfoC

Will this pass smug

MatasJ

  • This GMS Coil shouldn't interfere with your Mustang passing smog inspection.

    pserafi

Helpful (0)

When buying the GMS coil is it recommend to buy the NGK Iridium IX Performance Spark Plugs

Ace24

  • That's exactly what I did, and I couldn't be happier with the results! I saw an immediate increase in power, and saw increased savings at the pump, which I don't visit as often as I did... An inexpensive and very efficient mod, I highly recommend pairing these two items with some top notch cables too...!!! I hope this helps!! ~tim

    TimGuggenheim

Show 1 more answer Helpful (0)

A tune Does this require a tune to get the most out of it?

Soma742

  • No it does not. This will certainly give the car more spark and should provide a difference you can feel in the way it runs & performs. If this is the only change you are making though, I would not worry about a tune just yet.

    BandiPat92

Show 1 more answer Helpful (0)

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Customer Reviews (48) Write a Review

Overall Rating 4.6

out of 5 stars

Installation Time:Less than 1 Hour

  • Performance Gain 4.0625 4.1
  • Fit 4.875 4.9



  • 5/5

    Installation Time: Less than 1 Hour

    December 07, 2011

    Easy Upgrade

    This was very easy to install. Not counting the new plugs and wires I did, replacing the coil took me about 10 minutes all together. The most important thing to remember is the proper sequencing of the wires. Use the original you are removing for reference as they print the cylinder numbers on it. If not the sequence is simple. From top left its 1-2-3-4-6-5 going clockwise. Can't beat 4 base screws and being right on top of the block for easy access. Felt the power increase right away and have already noticed a gas mileage increase. Good deal all around.

    Edi62768

    Year: 2007 Submodel: V6 Islip, NY

    Helpful (10)

  • 2/5

    Installation Time: Less than 1 Hour

    April 02, 2012

    WARNING!

    i bought this coil pack along with the street thunder wires an ngk plugs thinking that the quality would be unmatched which it was for three months but about a week ago i had a misfire in my third cylinder caused by the gms coil pack ...i found this out at my ford dealer luckily i still had my oem parts so i i wasn't charged 570 dollars but as soon as i took it off my engine light went off an its running perfect again ... i highly rec amend staying away from this product

    BUBBA904

    Year: 2009 Submodel: V6 fl.

    Helpful (9)

    • Response from AmericanMuscle

      I'm sorry to hear your coil pack started causing you problems after a short while of use. We'd be more than happy to get a replacement shipped out or help you find another alternative! Please give us a call so we can get you all squared away!

      Lisa , Customer Care

  • 5/5

    Installation Time: Less than 1 Hour

    October 28, 2011

    Great item

    I had been waiting to order a Scream'in Demon coil pack and the day I decided , the Granatelli was added to the American Muscle site,,knowning the reputation of their products it was a no brainer for the added confidence for only a few dollars more. The fit was perfect and good performance , with the Street Thunder wires and NGK Iridmum Plugs.

    MaineSnug

    Year: 2007 Submodel: V6 Hampden,Me

    Helpful (9)

  • 4/5

    Installation Time: Less than 1 Hour

    August 06, 2012

    Decent Improvment

    Took less than 10 minutes to install and was super easy to do. I did the upgraded taylor wires and NGK spark plugs (from AM) along with the GMS coil. I didn't notice a power gain and I haven't taken my stang to a dyno, yet! The idle has improved though and I hope to see more hp and tq gains from it once I put in the 3.73 gears, BAMA tune, and x-charger supercharger. Overall the product is only a compliment to a nice car, if you are buying this for the 18hp and you don't plan on supercharging your stang then don't waste your money, instead get a CAI and a tune.

    Kody

    Year: 2008 Submodel: V6 Cumming

    Helpful (5)

  • 5/5

    Installation Time: Less than 1 Hour

    October 04, 2011

    Good Product

    I wasn't expecting much from this product, but it did give the mustang a quicker response. I only bought due to FI, but either way not a bad product.

    JoGo

    Year: 2009 Submodel: V6 Illinois

    Helpful (4)

  • 5/5

    Installation Time: Less than 1 Hour

    December 08, 2011

    Great value!!

    I can't believe for the price paid how much you get out of this product!! Very easy to install only took about 10 minutes!! I can definitely feel the power gain but also the fuel efficiency has increased as well!

    Johnnyrocket757

    Year: 2008 Submodel: V6 Virginia beach, va

    Helpful (3)

  • 5/5

    Installation Time: Afternoon

    November 21, 2012

    A Must Have!

    I got the GMS Coil, along with the Taylor Street Thunder wires and NGK Iridium IX Performance Spark Plugs, and no regrets. Easily one of the best "bang for your buck" kind of mods you can do. Installation wasn't bad. Just make sure you take a bunch of before pictures of the spark plug wires and you'll be fine. After installing everything, my stang has a MUCH better idle. Can feel a little more power off the line, but it's really noticable when accelerating in higher gears.

    TB612

    Year: 2009 Submodel: V6 Austin, TX, USA

    Helpful (2)

  • 5/5

    Installation Time: Less than 1 Hour

    July 26, 2012

    Ehh!

    I ordered this wanting to get more power an gas mileage not expecting a whole lot but every upgrade counts especially on a v6. It was an easy install (make sure to label wires when taking them off) I got this in combination with bigger spark plug wires an have had it for a few months now. It's upped my mpg by 1.5 to 2mpg an a SMALL increase in acceleration. I'd say it's worth it but only with new wires.

    Jshine19

    Year: 2008 Submodel: V6 Houston, TX, USA

    Helpful (2)

  • 5/5

    Installation Time: Less than 1 Hour

    December 21, 2011

    Hot Coil!

    This is a great add on! It works so nice, its not something that I can really tell, but it seems to run hotter (spark wise) and is getting a little better gas milage!

    conner5255

    Year: 2008 Submodel: V6 Keizer, OR

    Helpful (2)

  • 5/5

    Installation Time: Less than 1 Hour

    June 20, 2016

    2007 V6 mustang

    Ok guys and girls. I just installed this coil. It took me about 20 minutes. You need to have this on your mustang. Save the money, put it on your credit card do whatever it takes but add this on your engine, your pony will love you for it. Just FYI I also upgraded my spark plugs and performance spark wires, including body throttle and CAI from BBK, not to forget my pypes headers and pypes cat back exhaust. Ohh by the way if you really want to get a bang for your buck i recommend Bama Performance tuner. All this included you will not need a V8...my pony sounds and runs like a V8 and i do not break the bank with the gas stations. So back to this coil..i just added 14 hp in about 20 minutes. American Muscle....Thank You!

    Regulator

    Year: 2007 Submodel: V6

    Helpful (1)

  • 4/5

    Installation Time: Less than 1 Hour

    February 22, 2014

    Didn't expect much.

    Knowing coil packs didn't do much performance wise I bought one for the fuel economy. Has worked good so far. Expectation met.

    tylertgct

    Year: 2008 Submodel: V6

    Helpful (1)

  • 1/5

    Installation Time: Less than 1 Hour

    September 19, 2013

    Waste of money!

    I bought this coil thinking it would give me more power, but when I installed the coil, my pony shorted out, so I installed the stock coil back in the car and it seem to work better, the gms coil is a waste of money, You have better chances with a stock coil instead!

    Isaac4

    Year: 2006 Submodel: V6 San Carlos Arizona

    Helpful (1)

    • Response from AmericanMuscle

      It's possible you received a defective unit unfortunately. We can definitely replace your coil if that's the case. Give our customer service a call so we can determine the issue and what the best solution is for you.

      Lisa , Customer Care

  • 5/5

    Installation Time: Less than 1 Hour

    April 25, 2013

    great mod for a v6

    Gained close to 18hp and improved gas milage. Noticed a huge boost in power and torgue.

    dollartree

    Year: 2009 Submodel: V6 murphy nc

    Helpful (1)

  • 5/5

    Installation Time: Less than 1 Hour

    June 26, 2012

    Great

    This has got to be the easiest upgrade I have done on my stang. 4 bolts and re-plug your spark plugs. I love it! adds a littke dress up for your undercarraige and performs great.

    ItMustSTANG0522

    Year: 2006 Submodel: V6 Glen Burnie, MD, USA

    Helpful (1)

  • 5/5

    Installation Time: Less than 1 Hour

    August 14, 2017

    GMS Coil

    Super easy install ,No problems, slight boost, my engine seems to be running smoother.

    Dsharp

    Year: 2008 Submodel: V6

    Helpful (0)

  • 5/5

    Installation Time: Less than 1 Hour

    July 17, 2017

    Nice !!!

    Great !! I can't complain one bit it does what it says

    DominiqueT

    Year: 2005 Submodel: V6

    Helpful (0)

  • 5/5

    Installation Time: Less than 1 Hour

    April 26, 2017

    Very Good

    GMS Coil Denso cable Denso Iridium Plug Very Good!! Fast Response

    HokyungC

    Year: 2010 Submodel: V6

    Helpful (0)

  • 5/5

    Installation Time: Less than 1 Hour

    March 05, 2017

    Easy install

    Took me less than ten minutes to uninstall the old one and reinstall the new one. No problems thusfar. Despite the ease, instructions should be included for those who aren't very mechanically inclined.

    JacobS

    Year: 2006 Submodel: V6

    Helpful (0)

  • 5/5

    Installation Time: Less than 1 Hour

    December 19, 2016

    Easy Install and Noticeable Performance Gain

    With 100k plus miles on my manual V6 it was time to change the coil pack, wires and plugs so I went with the GMS coils and couldn't be happier. The install was simple; I disconnected the battery (this isn't really required), installed the wires directly on the new pack, loosed the screws and removed the old pack, placed the GMS in the old pack's place, installed and tightened the screws. The increase in performance was immediately noticeable in all gears but especially in third. I highly recommend this as a mod or if you're simply due for a tune up.

    Blackonblack

    Year: 2005 Submodel: V6

    Helpful (0)

  • 5/5

    Installation Time: Afternoon

    October 25, 2016

    Great boost

    Great look great boost easy to install doesn't take long to put on its a great attachment with other mods.

    PonyPower

    Year: 2008 Submodel: V6

    Helpful (0)

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