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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

      Features

      • 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

      Description

      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 Details

      MPN# M-5300-KA

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

      4.9

      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





      • February 18, 2020

        5 2013 GT - CTodd Installation Time: Afternoon

        Ford Performance Springs

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

        Helpful (0)
      • January 30, 2020

        5 2005 GT - MartyG68 Installation Time: Afternoon

        Leveled Perfectly

        This install was very straight forward; took about 3 hours on jack stands in the garage. I have a 2005 GT with only 7k miles. Before measurements 28.5" front and 29.5" rear, fender to ground. After measurements (taken a few days after driving it a bit) 27.5" front and 27.75" rear. Car sits perfectly level now with even fender gap front and rear. Ride is great too!!

        Helpful (1)
      • January 17, 2020

        5 2005 GT - Anonymous Installation Time: Afternoon

        Great springs

        These are some great springs for the 2005 mustang gt

        Helpful (1)
      • January 16, 2020

        5 2012 GT - TylerV1997 Installation Time: Afternoon

        Ford Performance Lowering K Springs

        Provided the perfect drop, and still keeps almost all of the ride quality. I would recommend them to anyone!

        Helpful (1)
      • October 07, 2019

        4 2010 GT - cyberflea Installation Time: Afternoon

        Rough ride

        Purchased these springs along with SR performance rear shocks, front struts and Ford performance jounce bumper kit. I'm getting a really bouncy rough ride. Not sure if the SR performance shocks are not good enough or if it is the springs. The car does handle and does not nose dive as much. I did not need a panhard bar. It took me approx. 2 hours to install.

        Helpful (1)
      • September 25, 2019

        5 2007 GT - PaulG Installation Time: Afternoon

        Great springs

        I knew if they were by Ford Racing they had to be perfect for the car. I was correct. It looks and drives great. I would recommend them.

        Helpful (1)
      • June 22, 2019

        5 2012 GT - Jonnygunnz Installation Time: Afternoon

        Great ride and height

        Great ride height eliminates the wheel gap, the ride quality improves as well with the stiffer springs. Looks great with my 19 inch rims will look better with 20 inch rims in the near future.

        Helpful (0)
      • June 11, 2019

        3 2006 GT - 3VIL Installation Time: Afternoon

        Substandard after a couple of years on board.

        I bought these a couple years or so ago...they started collapsing, thus had to replace. I only daily drive with some spirited runs here and there. I went to some BMR linerar rate springs for now, but still need fronts. Let's just say I can't easily get a jack under the front of my car and now my alignment is off as well as was my pinion angle before, ate my jounce bumpers off the rear, and allowed shock bottoming which busted my D-specs. Have a set of Viking Warriors under the back now, but I put the blame on the springs. SMH... c'mon now FRPP.

        Helpful (2)
      • June 04, 2019

        5 2008 GT - Alexriegelart Installation Time: Afternoon

        2008 gt c/s

        $340 install. Just had these put in this weekend along with a hotchkis panhard bar, and am beyond happy with both the new stance, and also with the new ride quality. It no longer feels like a sloppy unpredictable ride and now feels like it can handle some twisties. Between these springs, the panhard bar and a bmr strut tower brace it's a completely different car with great road comfort and worth the bit of investment. Did not need the camber plates or alignment, so either these are a fantastic fit, or my mechanic is the man.

        Helpful (2)
      • May 29, 2019

        4 2008 GT - KyleW Installation Time: Afternoon

        Great Product!

        These springs took a little bit to settle in, but now they ride great and make the car look a lot better!

        Helpful (1)

      Questions & Answers (42 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 (9)

      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 (6)

      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 (5)

      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)

      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 (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 these work fine with original bump stops or will i need shorter ones? 0 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
      Will these work with parts #50273 and 50275 1 answer
      I got 19 x 8.5 in the front and 19 x10.5 in the rear running 285 rear and 255 front will these rubs if I lower it 1.5inch with bilsteins shocks and struts 1 answer
      I use my mustang on track days. Will a bump steer kit be necessary to keep steering true? I will be adding an adjustable panhard to the rear. 1 answer
      Will these springs work with the 11-14 Koni STR-T shock and strut kit ? I've got a 2011 GT and if they work together do I need to upgrade the strut mounts or will the stock strut mounts work just fine? 1 answer

      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

      Will It Fit My Mustang

      • Boss 302 - 12, 13
      • Bullitt - 08, 09
      • GT - 05, 06, 07, 08, 09, 10, 11, 12, 13, 14

      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 convertible models

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