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Ford Motorcraft OEM Spark Plugs (08-10 GT)

Item 52925
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    Features & Details

    • Direct OEM Replacement
    • Copper Core with Platinum Tip
    • Motorcraft Part# SP-509
    • Fits 2008-2010 GT'a w/ Brown Coil Boots
    • Sold as a Set of 8
    Routine Maintenance. It is recommended to replace your old spark plugs every 30,000 to 45,000 miles as part of your Mustangs routine maintenance. Old, fouled, or damaged spark plugs can rob your Mustang of power and fuel efficiency, so replace them with a brand new set of genuine Ford Motorcraft OEM Spark Plugs to regain your pony's lost power.

    OEM Quality Materials. Ford Motorcraft Spark Plugs feature a copper core for its superior electricity conductivity and a durable platinum tip to assure a strong spark to keep your stang running at it's peak efficiency.

    Application. This set of eight (8) Ford Motorcraft OEM Spark Plugs are specifically designed as a direct fit replacement for the 2008 to 2010 GT Mustangs equipped with

    Brown coil boots only.

    Fitment: Details



    CA Residents: WARNING: Cancer and Reproductive Harm -

    What's in the Box
    • (8) Spark Plugs
    Installation Info
    Tech Specs

      Customer Photos

        Questions & Answers (2)

        2 Top Rated Questions

        Will this fit my 2006 gt?

        • Unfortunately these spark plugs will not fit the 05-07 Mustang GT models. They will only fit the 2008-2010 Mustang GT.

        Helpful (0)

        Do these OEM Spark plugs come pre gapped?

        • These would come pre-gapped however we do recommenddouble checking the gap when you get them. 

        Helpful (0)
        Post Your Question

          Customer Reviews (13) Write a Review

          Overall Rating 4.6

          out of 5 stars

          Installation Time:Afternoon

          • Performance Gain 3.833333 3.8
          • Fit 4.583333 4.6

          • 5/5

            Installation Time: Afternoon

            March 11, 2019

            Just what I needed

            I noticed some rough idle (but no codes) and I decided it must be the plugs. I had installled some NKG 0-degree plugs but thought I didn’t need to gap. When I pulled them they were at .030”. These came in with no damage, but all gaps were out of spec for my ‘09. (.040” rather than .052” - .056” according to AM) Once installed my idle improved significantly.


            Year: 2008 Submodel: Bullitt

            Helpful (0)

          • 5/5

            Installation Time: Afternoon

            July 12, 2018

            OEM correct

            My 09 is modified just short of forced induction so I stayed with OEM replacements. They're exactly the same as original. Something I found odd was it said on the box that they are not gappable. What? Why not? They're just spark plugs. They were pre-gapped at just .035. So after chatting with AM tech, I gapped them anyway. All is good. At 66,000 miles it needed them. Taking my time following AM instructions it would have taken about 2 hours but the porcelain on one of the old ones cracked and that doubled the time running to the store to get some tools to clear the porcelain bits from the hole before removal.


            Year: 2009 Submodel: GT

            Helpful (6)

          • 5/5

            Installation Time: Afternoon

            May 05, 2017

            Do what they're supposed to.

            Direct motorcraft replacement. High quality as always. Just rolled over a hundred thousand so I swapped my plugs and my car is now running perfectly. Thanks AM


            Year: 2010 Submodel: GT

            Helpful (8)

          • 5/5

            Installation Time: Afternoon

            August 22, 2014

            Perfect OEM Replacement

            Changed mine out at a little over 30,000 miles on my 2009 GT, perfect fit and no issues. Only took me about 2 hours, and much of that was spent waiting on the lubricants to soak in.


            Year: 2009 Submodel: GT Mentor, OH, USA

            Helpful (6)

          • 1/5

            Installation Time: Afternoon

            February 21, 2014

            Not a great buy

            I installed these on my 2010 GT and had cylinder #5 misfire then after checking the spark plug I noticed the white ceramic part was cracked, replaced with a new one from the store and had two more spark plugs crack after that as well, the quality of this product was not what I expected, took all of them out and placed my old ones back in, no problems.


            Year: 2010 Submodel: GT Oklahoma City, OK, USA

            Helpful (8)

          • 4/5

            Installation Time: Less than 1 Hour

            January 24, 2014

            Great part!

            These ford motorcraft spark plugs are a great bang for the buck! If you feel that your car does not want to turn on as it should, then I highly recommend these spark plugs.


            Year: 2010 Submodel: GT Las Vegas, NV, USA

            Helpful (6)

          • 5/5

            Installation Time: Weekend

            May 17, 2013

            Works great

            I recommend this item. You can tell the differences .thanks AM


            Year: 2010 Submodel: GT Texas, USA

            Helpful (8)

          • 5/5

            Installation Time: Afternoon

            September 04, 2012

            OEM Spark Plugs

            Great price and definitely felt my car run better after installation.


            Year: 2010 Submodel: GT Chicago, IL

            Helpful (8)

          • 5/5

            Installation Time: Less than 1 Hour

            April 04, 2012

            Great pricing

            For some reason no local parts store carried OEM plugs for my 08 GT. One store had NGK had $27 per plug. Great pricing and AM has the best customer service ever.


            Year: 2008 Submodel: GT

            Helpful (8)

          • 5/5

            Installation Time: Afternoon

            March 24, 2012

            all you need

            Don't waste money on autolites you will regret it. These plugs are perfect for any stock or semi modified mustang.


            Year: 2010 Submodel: GT dallas, tx

            Helpful (8)

          • 5/5

            Installation Time: Less than 1 Hour

            March 23, 2012

            Ford Motorcraft OEM Spark plugs(08-10).

            I replaced my old ones with these and definately noticed a change in performance.


            Year: 2008 Submodel: GT

            Helpful (8)

          • 5/5

            Installation Time: Afternoon

            December 08, 2011


            Changed out at 30k miles on my 2010 GT, perfect fit and no issues. Took me about 2 hours taking my time one afternoon.


            Year: 2010 Submodel: GT weaverville, nc

            Helpful (7)

          • 5/5

            May 13, 2011

            Ford Motorcraft OEM Spark Plugs

            Very hard to find product, with extremely fast and accurate shipping, at a great price. Job well done, American Muscle~!


            Year: 2008 Submodel: Other

            Helpful (8)

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