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Eibach Pro-Kit Springs - Coupe & Convertible (11-14 GT, V6, BOSS)

94 Reviews
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  • Item #47803
  • MPN# 35125.14

  • Market Price $264.99
  • You Save 13% ($35.00)
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Product Videos Customer Photos
  • Lowers Center of Gravity for Improved Handling
  • Aggressive Muscular Stance
  • Improves Fuel Economy
  • Progressive Spring Rate
  • Drops GT: 1.0” Front, 1.5” Rear
  • Drops V6: 0.8” Front, 1.2” Rear
  • Drops BOSS: 0.6” Front, 1.0” Rear
  • Fits 2011-2014 GT, V6 and BOSS
  • Clears Stock and Aftermarket Wheels & Tires.
Performance Handling. These Eibach Pro-Kit Progressive Rate Springs will lower your Mustang's center of gravity, reducing squat during acceleration, body roll in the corners and excessive nose-dive under hard braking. A set of Eibach Springs are great for daily driving, street, and even track use.

Aggressive Appearance. Not only does the Eibach Pro Kit Spring Set improve the handling of your Mustang, but it also improves it's appearance by lowering the ride height to get rid of that ugly 4x4 look that they roll out of the factory with for a more aggressive stance.
  • Lowers 2011-2014 GT Coupe: Front - 1.0”, Rear - 1.5”
  • Lowers 2011-2014 GT Convertible: Front - 1.0”, Rear - 1.5”
  • Lowers 2012-2014 BOSS Coupe: Front - 0.6”, Rear - 1.0”
  • Lowers 2011-2014 V6 Coupe: Front - 0.8”, Rear - 1.2”
  • Lowers 2011-2014 V6 Convertible: Front - 0.8”, Rear - 1.2”

Progressive Design. Eibach's proprietary progressive spring design provides the ultimate balance to deliver aggressive good looks and high performance handling, without ever compromising safety or ride quality.

Better MPG. Independent testing has shown that lowering a car's ride height improves aerodynamic efficiency by forcing more air over the car and less underneath reducing drag, resulting in higher top speeds at the track and better fuel economy on the highways.

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 Eibach Pro Springs are designed for use on the 2011-2014 GT, V6 and BOSS Mustangs.

Fitment: 2011 2012 2013 2014 Details

What's in the Box
  • (4) Lowering Springs
  • (2) Boots
Installation Info
Tech Specs
Springs Specifications
Spring Rate: Front: NA lb/in.
Rear: NA lb/in.
Usage: Street
Year: 2011-2014 GT, V6, BOSS Model: Coupe & Convertible
Progressive or Standard: Progressive Estimated Drop: 1.0"F / 1.5" R
0.8"F / 1.2" R
0.6"F / 1.0" R
Will it fit my Mustang?
  • Boss 302 - 12, 13
  • V6 - 11, 12, 13, 14
  • GT - 11, 12, 13, 14

Most Helpful Reviews

Harsh on humps cat eyes , Perfect on curves

Driving on curves has become much much better , however, the driving has become so harsh . I'm a daily user so a harsh driving doesn't make me feel comfort, I'm gonna put my stock ones again

Helpful (1)

Almost perfect, should be OEM spring.

I didn't want a super aggressive drop on my Mustang, I just wanted to firm up some of the floatiness of the suspension. I debated adding stiffer shocks, camber bolts, adjustable panhard bars, and stronger ...

Read More
Helpful (11)

Read All 94 Reviews
Overall Rating 4.8 out of 5 stars


Hey, Justin here with, and I’m going to be talking a little more about the Eibach Pro kit springs, fitting your 2011 and newer Mustang. If you’ve been modding cars for any duration of time, then chances are you’re very familiar with the name Eibach, that’s because they are without a doubt one of the biggest and most trusted names in aftermarket suspension, and have been for quite some time. So what can you expect from Eibach’s pro kit springs? Well, drop wise the pro kit is pretty conservative compared to other springs, take Eibachs sport line for instance, the drop is roughly a half inch to an inch in front, and about an inch to an inch and a half in the rear depending on your ride. We do list the model specific drops under the description tab on this product page. So basically, if you don’t want your ride to be slammed, the pro kit is a great choice, having said that the drop is enough to get rid of some of that unsightly wheel gap, ultimately giving your ride a more aggressive stance. So you know what to expect from the Pro kit appearance wise, but what about your handling performance? Well, a good set of progressive rate springs like these Eibachs are going to do more than you think. They’re going to help eliminate squat on hard launches, nose dive during braking, and body roll on the corners. Basically the car is going to feel more capable and more responsive all around, ultimately making for a better driving experience. So, does installing these new springs mean you have to change out your shocks and struts? Well, that’s up to you, ultimately you can’t go wrong by pairing these new springs up with some performance shocks and struts, that are better designed to work with that lower ride height, and higher spring rate, however since the pro kit does offer a pretty mild drop, your factory stuff should work fine as long as everything’s in good shape, however if it’s not then you might want to consider upgrading or even checking out Eibach’s pro system plus, which does come with everything you need to completely revamp your suspension. Installing a new set of springs isn’t exactly something I’d recommend for the first time wrencher out there, this is because you need to use some specialized tools like a spring compressor, to remove the factory springs and install the new Eibachs. Because of this we highly recommend leaving this one in the hands of the professionals, on the other hand, if you know your way around the garage, and you have access to all the tools needed, just leave yourself about 4 hours to get the job done. Whenever you alter the ride height of your vehicle, you should ideally take it to an alignment shop just to get everything checked out, especially your camber. If you do need some additional adjustment, Eibach offers a very affordable solution in the form of their Camber adjustment bolts, just be sure to let the springs settle about a week or so before you take the car in. So if you’re looking for a relatively mild drop that will have a big impact on your car’s handling performance, then be sure to check out Eibach’s pro kit springs available right here at

Customer Photos (100+) View All Photos

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14 Questions / 7 Answers

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2013 V6 lowering question I'm looking to lower my stang 1.0-1.5 inches all around. How much do these springs lower a 2013 v6 coupe? Any other springs that will do the job and not require expensive other parts like camber plate/strut mounts/etc?


  • With these Pro-Springs, you're looking at a 0.8" front drop and 1.2" rear drop on your V6 coupe. If you wanted to stick around the 1" mark, these would be a great set of springs for you. You'd need at the very least camber bolt, to help correct your alignment after installing the springs. Once you move over the 1" drop nearing the 1.5" plus, caster camber plates are usually needed as they offer the additional adjustment for alignment. Feel free to give us a call to discuss your options further!


    Good Answer (0) (0)

Show 1 more answer Question Resolved

Pinion angle changes and is an adj UC needed? I have a convertible the description states that I will get about .8" drop in the front and 1.2" in the rear. Is that enough to put the pinion angle out of spec on my driveshaft or will be ok? Otherwise I suspect I would need an adj UC correct to adjust for the angle.


  • It should not be enough to affect your driveshaft angle. However I would speak with a mechanic if you are that worried. Mine did not bother my shaft angle after isntalled.


    Good Answer (0) (0)

Show 3 more answers Question Resolved

Rubbing Issues I plan on getting the Vossen cv3's rims 20x9 in the front and 20x10.5 in the back, does anybody know if I will have rubbing issues if I get this kit?


  • You shouldn't, as long as you stick with a lower tire like a 30 or 35 series...give american muscle a call. They are pretty knowledgeable when it comes to what will fit or not fit. Good luck with it, sounds like it will be a sweet set up!


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Customer Reviews (94) Write a Review

Overall Rating 4.8

out of 5 stars

  • 2/5

    August 17, 2016

    Harsh on humps cat eyes , Perfect on curves

    Driving on curves has become much much better , however, the driving has become so harsh . I'm a daily user so a harsh driving doesn't make me feel comfort, I'm gonna put my stock ones again


    Year: 2013 Model: GT Driving Style: Daily Driver

    Helpful (1) (0)

  • 4/5

    Installation Time: Afternoon

    August 18, 2012

    Almost perfect, should be OEM spring.

    I didn't want a super aggressive drop on my Mustang, I just wanted to firm up some of the floatiness of the suspension. I debated adding stiffer shocks, camber bolts, adjustable panhard bars, and stronger shock mounts, and eventually just put the springs on by themselves. It worked out fine that way. I installed the Eibach Pro kit on a 2012 V6 Mustang coupe base model. Install wasn't too tough. The springs can all be changed without a spring compressor. Put stands under the engine cradle, and put a jack under the conrol arm and slowly lower it to take the tension off the spring. It's easier and safe if you go slowly. It took me about 3 hours to change out all the springs. The back was maybe 45 minutes, front 2 hours overall. Handling is firmed up by about a third, but the ride is still a little softer than I would've liked. I didn't want a race car ride at all, but I was expecting a little firmer handling than I got. It's overall a VERY easy daily driver, absolutely this is the spring Ford should have as stock. My only complaint is that this didn't lower the rear as much as it says it will. I took meticulous measurements and found only a 7/8" drop front and rear. It says in the description to expect a 1.2" drop on the rear of the V6. Nope, the rear still rides with a little too much gap. As for the axle, it shifted about 1/8" to the driver side. No biggie. Overall well worth it, but if I had to do it again I would have liked another 15% more spring rate and a little less fender gap. Its still an easy daily commuter car that could use a bit more control in aggressive cornering. I will post pics, its a Grabber blue V6.


    Year: 2012 Model: V6 Driving Style: Daily Driver 'Stangs I have owned: 2 Buford, GA

    Helpful (11) (0)

    • Response from AmericanMuscle

      Lisa , Customer Care

  • 5/5

    March 03, 2011

    2011 mustang v6

    I have always purchased form AM and nobody beats their service. This drop was great, installed withen a few hours looks and rides great. I posted two pictures one is before and the other is the after. mine its the sterling grey v6.

    Dustin Hamilton

    Year: 2011 Model: V6 Driving Style: Daily Driver

    Helpful (10) (4)

  • 5/5

    Installation Time: Afternoon

    April 03, 2014

    Great Upgrade!!!

    I had a professional shop install these springs for me which took a whole afternoon. I immediately noticed the 4x4 look was gone and my car sat level and in an aggressive manner. The handling capability wasn't very good compared to the way the stang drives now. It feels much better all around and handling has improved greatly. I definitely recommend these for every stang out there... it really is a night and day difference.


    Year: 2012 Model: V6 Driving Style: Street / Strip 'Stangs I have owned: 3 San Diego, CA, USA

    Helpful (2) (0)

  • 5/5

    Installation Time: Afternoon

    December 01, 2012

    Great improvement

    Just purchased these springs and installed them. It took about 2 hours to complete both ends. I did not want a significant drop so I went with the Pro Kit. These take away that 4x4 look of stock and give you a perfect height. I was on the wall on choosing Pro Kit/Sportline, but I think I made the right choice. Awesome spring for the money and the ease of install was good.


    Year: 2013 Model: V6 Driving Style: Daily Driver 'Stangs I have owned: 1 Orlando, FL, USA

    Helpful (2) (0)

  • 5/5

    Installation Time: Afternoon

    September 26, 2011

    Springs give the car a perfect stance

    The springs provide the perfect drop. Installation was relatively easy, however pay close attention to the strut mounts. I installed these with a friend in about 2.5hrs.


    Year: 2012 Model: GT Driving Style: Daily Driver 'Stangs I have owned: 5+

    Helpful (3) (1)

  • 4/5

    Installation Time: Shop Install

    Installation Cost: 0-$100

    August 28, 2014

    Not Bad

    Just got these installed couple of days ago and they're not bad at all. The ride quality feels stock if not smoother w/ less body roll. Did not need camber bolts for alignment, it was quick an easy


    Year: 2013 Model: GT Driving Style: Daily Driver 'Stangs I have owned: 1

    Helpful (1) (0)

  • 5/5

    Installation Time: Full Day

    May 20, 2014

    Nice Drop

    As advertised. Nice all around drop but gap is still there especially in the back. Ride quality is actually less bouncy from stock track pack suspension but is a bit more harsh. Corners much better and reduced wheel spin on take off. I can actually use 1st and 2nd gear! Would definitely recommend and installed in about 6 hours.


    Year: 2014 Model: GT Driving Style: Daily Driver 'Stangs I have owned: 1 Houston, TX, USA

    Helpful (1) (0)

  • 4/5

    Installation Time: Full Day

    February 03, 2014

    2014 Mustang gt Vert

    Installed these on my 2014 gt vert, all i can say is's a different car 100%...corners longer feels like a boat...minimal brake dive...ride maybe 10% rougher..but thats perfect...took me a bit longer to install as the spring compressors i had were junk...other than that the fronts went on easy...rears, i didnt remove the sub frame vert braces...just lowered the axle as far down to rest on the braces...then jacked up the opposite side until the car almost came off the jack stand, then wiggled out the opposite spring. ...super easy! you will need the adj panhard bar as mine was 3/4 inch to the drivers side. not sure on alinement yet...i want to let it settle abit before i do that. 250 spent...i just got the Koni Str.ts...will report on those once installed...


    Year: 2014 Model: GT Driving Style: Daily Driver 'Stangs I have owned: 1 ERIE PA

    Helpful (1) (0)

  • 4/5

    Installation Time: Shop Install

    Installation Cost: $500-$1000

    December 26, 2013

    Nice drop, better handling, stiffer ride.

    Provides the perfect stance-received a lot of compliments on the improved look. Not a slammed look but takes away the tire gap. Handling definitely better, much less nose dive on braking and less squatting on acceleration. Ride is a little stiffer. Definitely must buy a pan hard bar but nothing else is immediately needed. Shocks/struts eventually and maybe that'll help with the stiffer ride. This was my second mod and would recommend to anyone


    Year: 2014 Model: GT Driving Style: Daily Driver 'Stangs I have owned: 1 Woodstock, GA, USA

    Helpful (1) (0)

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