Free Shipping On Orders Over $49. Details

Talk to a Mustang Expert
1-877-887-1105
Every day 8:30AM EST - 11:00PM EST
Win Any Wheel & Tire Package! Enter Daily

Ford Performance Spark Plugs (11-17 GT)

Market Price $69.59 You Save 14% ($9.60)
Our Price

$59.99 (set of 8)

FREE Shipping

  • Item 399277
  • MPN# M-12405-M50A

Ship to: Ashburn - 20149
Sorry, please enter a valid US or CA postal code
We're sorry, zip can't be updated at this time.
    Create a list
    Add to New List

    Saved - View your saved items

    We're sorry. We couldn't save this product at this time.

    Features & Details

    • Perfect For Force And Nitrous Inducted Engines
    • Comes With An Iridium Tip For Stable Constant Spark
    • Reduces Emissions And Improves Fuel Economy
    • Comes With A Heat Range 7
    • 14mm Threaded Pattern Construction
    • Available As A Set Of 8
    • Easy And Direct Installation
    • Limited 2 Year Warranty
    • Compatible With All 2011 To 2017 GT Mustangs
    Improved Performance. Replacing the old weak stock plugs with the superior Ford Performance NGK Iridium IX Spark Plugs is an easy and effective means of ensuring that your Mustang engine continues to deliver high performance, runs smoothly as well as efficiently. By offering a reliable constant spark, the plugs are proven to provide improved fuel efficiency, throttle response, lower emissions as well as reducing fouling.

    High-Quality Construction. The Ford Performance NGK Iridium IX Spark Plugs come with a copper core electrode which offers superior conductivity with an iridium tip which is 6 times harder than platinum. This tip is perfect for delivering a constant peak engine performance as it has an extremely high melting point. Additionally, the tip comes with trivalent metal plating that offers superior corrosion resistance as well as anti-seizing properties.

    Installation. The Ford Performance NGK Iridium IX Spark Plugs allows for an easy direct fit replacement that does not call for modifications. With the use of simple hand tools and light mechanical skills, anyone can complete the installation in about 2 hours.

    Warranty. Ford Performance gives a guarantee that the Ford Performance NGK Iridium IX Spark Plugs are free from material and workmanship flaws and also offers a 2-year limited warranty on the same.

    Application. The Ford Performance NGK Iridium IX Spark Plugs are designed and engineered to be compatible with all 2011 To 2017 GT Mustangs.

    Fitment: 2011 2012 2013 2014 2015 2016 2017 Details

    CA Residents: Warning: California's Proposition 65

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

    You Might Also Like

    Customer Photos

    Questions & Answers (3)

    3 Top Rated Questions

    Can these be used on an N/A set up? How far should one gap them if they are N/A

    • These are not recommendedfor use on N/A models no. 

    Helpful (0)

    What plugs are good for NA direct replacements?

    • You can use the following plugs for an NA set up - https://www.americanmuscle.com/ngk-iridium-3789.html

    Helpful (0)

    Are these 1 step colder than stock? Can they be used with 100-150 shot nitrous?

    • Yes, these spark plugs are one heat range colder than stock and these are compatible with nitrous.

    Helpful (0)
    Post Your Question

    People Who Bought This Item Also Bought

    Customer Reviews (4) Write a Review

    Overall Rating 4

    out of 5 stars




    • 5/5

      September 30, 2018

      Nice!

      These spark plugs are NGK Iridium plugs with a Ford Performance logo on them.

      StevenH

      Year: 2015 Submodel: GT

      Helpful (0)

    • 5/5

      May 02, 2018

      Love it night day difference

      Recently changed my factory with 98,000 miles the car feels way more aggressive..just be careful when gapping the spark plugs

      taylory

      Year: 2012 Submodel: GT

      Helpful (2)

    • 1/5

      December 28, 2017

      Save your money

      Install on took 40 mins. But my stock ones with 55,xxx miles out performed these, save your money and buy the ngk set. After install, car lags and just doesn't seem right, ordering the ngk this week.

      TBrady

      Year: 2011 Submodel: GT

      Helpful (4)

    • 5/5

      December 12, 2017

      Spark plug change

      Great set of plugs for a good price, with quick delivery

      MatthewK

      Year: 2013 Submodel: GT

      Helpful (2)

    Related Mustang Categories