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Ford Performance Lowering K-Springs (05-14 GT Coupe)

Item 24022
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      Review & Installation Video

      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation


      • Aggressive Muscular Stance
      • Improves Handling
      • Lowers Center of Gravity
      • Progressive Spring Rate
      • Estimated Drop: Front - 1.5” Rear - 1.5”
      • Clears Stock and Aftermarket Wheels & Tires
      • Fits 2005-2014 GT Coupes


      Improves Handling. Installing a set of progressive rate Ford Racing K-Springs will lower your Mustang's center of gravity, which will reduce squat during acceleration, body roll in the corners, and excessive nose-dive under hard braking. Ford Racing K-Springs are great for daily driving, street, and even occasional track use.

      Aggressive Stance. The Ford Racing K-Springs not only improve the handling of your S197 Mustang, but they also improve the overall appearance by lowering the ride height approximately 1.5" to eliminate that nasty raised 4x4 truck look for a more aggressive muscle car stance.

      Clears Stock and Aftermarket Wheels & Tires. These lowering springs were engineered to be compatible with your stock size wheels and tires, as well as AmericanMuscle's pre-configured wheel and tire combo kits (specific to your generation), to assure proper clearance with no rubbing issues.

      Application. This set of four Ford Racing K-Springs are designed specifically for use on the 2005 to 2010 GT Mustangs Coupes. They will also fit 2011 and newer GT Coupes when used in combination with Ford Racing M-18183-C upper strut mounts and M-18000-A dampers (sold separately). Does not fit V6 or convertible models.

      Fitment: 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014

      Ford Performance M-5300-KA

      CA Residents: WARNING: Cancer and Reproductive Harm -

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (4) Springs

      Tech Specs

      Springs Specifications
      Spring Rate: Front: 228 lb/in.
      Rear: 199.5 lb/in.
      Usage: Street
      Year: 2005-2014 Model: GT Coupes
      Progressive or Standard: Progressive Estimated Drop: 1.5"F / 1.5" R

      Customer Reviews (100+)

      Write a Review

      Ratings Summary

      4.9 out of 5 overall rating from 100+ customers

      Installation Time: Full Day

      Installation Cost: $100-$250

      • May 12, 2020

        5 2013 GT - Mike33221100 Installation Time: Afternoon

        Good springs

        Advertise 1.5 drop more like 1" drop. Had them installed for about 5000 miles now. Not bad ride quality at all.

        Helpful (0)
      • May 02, 2020

        4 2014 GT - Salinas Installation Time: Afternoon

        Not bad at all nice fitment

        It’s best to get coil overs but these are nice not much nose dive at all feel like it accelerates better more even

        Helpful (0)
      • April 30, 2020

        5 2007 GT - larasown Installation Time: Afternoon

        FP K springs

        They look great, they ride a little rougher than stock, but not too rough, I recommend getting the Whiteline panhard bar to re-enter the rear end,

        Helpful (2)
      • April 20, 2020

        5 2010 GT - Anonymous Installation Time: Shop Install Installation Cost: $250-$500

        Ford performance lower spring kit

        Makes your car have a more aggressive approach!! Rides smooth and you can really tell a difference

        Helpful (1)
      • April 15, 2020

        5 2007 GT - StangBang Installation Time: Afternoon

        Nice ride

        Perfect drop. Tightens up corners. Still some wheel hop, but overall great mod.

        Helpful (2)
      • March 19, 2020

        4 2010 GT - Devhay Installation Time: Afternoon

        Mildly loud while breaking in, great after that

        Took me about 600 miles to break in. Very noisy until then. Big bumps are pretty stiff, but if your roads are pretty smooth, they have amazing ride quality. 5/5 on the high way, 4/5 on city roads. Also, depending on your tire set up, very good at fixing to much squat on hard acceleration.

        Helpful (3)
      • March 09, 2020

        5 2014 GT - TimFromBama Installation Time: Afternoon

        Helped with the wheel gap for sure.

        Install wasn't too bad, without a spring compressor or impact it took me about 2 1/2- 3 hours. Without a spring compressor you definitely want an impact to take to top nut off the strut assembly up front. I used some small pliers(quite difficult) to hold the nut and a ratchet to turn the shaft and got it done. So if mediocre tools and a shade tree mechanic can do it so can you. Just make sure you have an 18mm socket as it's used a good bit and some ppl dont have one. And I believe the strut nut was a 21mm.

        Helpful (3)
      • March 02, 2020

        5 2007 GT - MichaelH Installation Time: Afternoon


        Very pleased on the end result of lowering. Wasn't too hard of a job just had to by a set of spring compressors.

        Helpful (1)
      • February 23, 2020

        5 2006 GT - CameronKB1104 Installation Time: Afternoon

        Great springs!

        Gives my 2006 mustang GT just the right amount of lowering I was looking for. I replaced my shocks and struts at the same time. Rides fairly well!

        Helpful (1)
      • February 18, 2020

        5 2013 GT - CTodd Installation Time: Afternoon

        Ford Performance Springs

        I love them. They car looks great and rides smooth.

        Helpful (1)

      Questions & Answers (46 answers)

      5 Top Rated Questions

      What is exactly is it that makes these springs not fit on a Convertible? There's no difference between the stock springs on the Coupe or Convertible.

      • These springs will not work on a convertible as the convertible Mustangs have a different weight, weight distribution, and different structural integrity which will change the way specific springs (such as these) will perform on a coupe vs a convertible.

      Helpful (11)

      Hello, I was curious if these will work with factory shocks and struts, or will I have to upgrade?

      • While these will work with factory shocks and struts, we recommend upgrading them when lowering your Mustang.

      Helpful (7)

      Will these work together on a 2014 GT with KONI STR.T Shock Strut Kit (11-14 GT, V6) and if they do will the the mounts have to be changed or can factory mounts be used?

      • The Ford Performance Lowering K-Springs and KONI STR.T Shock and Strut Kit will be compatible with one another. No new strut mounts are needed with this setup.

      Helpful (7)

      Hello I have a 2005 Mustang GT with saleen wheels on it. The wheels are 20s 275 on all corners. Will I rub? Thank you!!

      • With the Ford Performance Lowering K-Springs offering a 1.5" drop all around, we unfortunately would not be able to confirm fitment for the 275 series tire on the front. A 275 has proven to be too large on many applications, however, with a proper offset it is plausible.

      Helpful (3)

      If I install these springs, will I need to buy an adjustable link arm for the swaybar?

      • The Ford Performance Lowering K-Springs do not require an adjustable link arm for the sway bar. Although it would be a ideal upgrade, it is not necessary for installation of these springs.

      Helpful (2)
      10 More Questions
      If I install these lowering springs and put 1.5 inch spacers will I have trouble with rubbing my fenders when turning the wheels? 1 answer
      On a 2006 Mustang Get Coupe, is a panhard bar required for installation? 1 answer
      would like to know about weight details for this product ? 1 answer
      Do I need to buy rear lower control arms and the relocation bracket? I’ve heard many differing opinions on if you need them or not. Also do I need a bump steer kit? 0 answer
      Obviously there are 05-09 Mustang GT Convertibles and 07-09 Shelby GT500 Convertibles out here with performance suspensions installed. What springs are they running on these convertibles? What springs specifically state that they are for convertibles? 0 answer
      $150 for all 4 springs ? Or 150 each spring 1 answer
      These don’t come with spring isolators pads? 1 answer
      Do these work fine with original bump stops or will i need shorter ones? 1 answer
      What's the spring rate on the front and back? 1 answer
      I recently purchased these k springs for my 08 gt c/s, what shocks and struts work best for these springs? Need to upgrade and want to make sure I purchase the proper setup 1 answer

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