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Eibach Pro-Kit Springs (79-04 V6 Coupe, 4-Cylinder Coupe)

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Features & Details

  • Classic 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 1979-2004 4-Cyl and V6 Coupes, Excluding SVO Models
Performance Handling. These Eibach Pro-Kit Progressive Rate Springs will lower your Mustang's center of gravity, reducing body roll in the turns, squat during acceleration, and excessive nose-dive under hard braking. A set of Eibach Springs are great for daily driving, street, and even track use.

Classic Muscular Stance. Not only does a set of Eibach Pro Kit Springs improve the handling performance of your Mustang, but they also improve it's overall appearance by lowering the ride height to eliminate the huge tire to fender gap, for a classic muscular stance.
  • Lowers 1979-1993 4-Cylinder and V6 Coupes: Front - 1.2", Rear - 1.0"
  • Lowers 1994-2004 V6 Coupes: Front - 1.5", Rear - 1.5"

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.

Recommended Upgrade. When installing new springs you should also replace your old worn out rubber Spring Isolators with a new set of Polyurethane Spring Isolators, see drop down option above.

Clears Stock and Aftermarket Wheels & Tires. These lowering springs were engineered to be compatible with your factory 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 specifically designed for use on the 1979-2004 4 cylinder and V6 coupe Mustangs. The springs are not compatible with SVO and Convertibles models.
What's in the Box
  • (4) Lowering Springs
  • (1) Snubber
Installation Info
Tech Specs
Springs Specifications
Spring Rate: Front: 396-627 lb/in.
Rear: 143-296 lb/in.
Usage: Street
Year: 1979-2004 Model: 4 cylinder and V6 coupes
Progressive or Standard: Progressive Estimated Drop: 1.2"F / 1.0" R
1.5"F / 1.5" R

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8 Questions / 6 Answers

Ask a Question

Will I need cc plates/ bump steer kit/ x2 ball joints? I have an 04 v6 and I was wondering what the odds were that I wouldn't need any of those parts with lowering springs? I've read reviews and comments where people have gotten their specs back to normal and others who purchased any combination of the parts listed to make it work. What should I expect to buy and what's recommended to accommodate these lowering springs? Thanks!


  • From experience and reviews all over the Mustang world, I would highly recommend pairing these springs with CC plates and aftermarket shocks and struts. Tokico HP Blue shocks and struts are a popular choice. MM CC plates are spendy but a great choice. Also from experience on both of my Mustangs ('94 V6 & '95 GT), Ford ball joints like to go out. Steeda x2's are great, and it's highly recommended to pair them with the bump steer kit. I didn't on my '94 V6, and in hindsight I see why I should have. I will be installing the bump steer kit when I replace my bad ball joints with x2's on my '95 GT.


Helpful (2)

Is it necessary to buy ball joint and bump steer kits as well as caster camber plates to get the right alignment? I don't want extra wear on my tires and I want correct alignment, but I am on a budget.


  • The Eibach Pro-Kit Springs will not require any additional components to maintain factory alignment specs, unless the vehicle has been altered in some manner. If you would like to have further area of adjustment, I would highly recommend caster/camber bolts which are much more budget friendly as compared to caster/camber plates.


Helpful (0)

Does this kit not fit 87-93 4 Cyl. Convertibles? I would really like to put on my convertible to go with the 17x8 and 17x9 black Cobra R wheels I recently purchased from you!


  • The Eibach Pro-Kit Springs - Coupe (79-04 V6, 4 Cyl) will not fit on a convertible Foxbody because the springs are a different size and the suspensions in the V6 & 4 Cyl are different than the 5.0L Mustangs.


Helpful (0)

Hi there! Planning on getting 2003 Cobra Style Black Wheels - 17x9 and these Eibach Pro-Kit Springs anytime soon,But just have a little of concern with tires rubbing,Specially when the vehicle is carrying extra weight (Passangers on board of course). Any idea or help would be appreciated and Thank you in advance!


  • The Eibach Pro-Kit Springs - Coupe (79-04 V6, 4 Cyl) will work with the 2003 Cobra Style Polished Wheel - 17x9 (94-04 All). We do gaurentee up to a 2" drop for any of our wheels.


Helpful (0)

Do you need a Isolator for each spring 2 for the rear and 2 for the front. Thanks Brian


  • Yes, you should install new isolators for each spring. The front has a two piece for each spring # part 56054. The rear # part 56055 . These items are from AM and are on the web and catalogue for about $29.99 for each set.


Helpful (0)

Is it a big deal if i do not buy the front and rear isolaters I have a 03 v6 mustang with 110,000 miles on it with all stock suspension parts. Is it a big deal if I do not buy the front and rear isolators with the lowering springs? will it effect the ride quality or even effect anything at all?


  • You should definitely replace your front and rear spring isolators when installing a set of new lowering springs. They are more durable than the old, wore out stock isolators and will greatly improve your handling and steering response. They will also prevent any unwanted metal on metal grinding, keeping your ride smooth and and quiet. Hope this helps!


Helpful (0)

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Customer Reviews (19) Write a Review

Overall Rating 4.8

out of 5 stars

Installation Time:Afternoon

  • Handling Improvement 4.5 4.5
  • Ride Quality 3.75 3.8
  • Appearance 5 5
  • Bang For Your Buck 4 4

  • 5/5

    Installation Time: Full Day

    November 16, 2017

    Looks great!

    The install for the v6 took a little longer because there wasn't much install info online but tons for the v8. The look and performance is great and worth every penny. Wheel gap is gone and I'm happy!


    Year: 2001 Submodel: V6

    Helpful (3)

  • 4/5

    Installation Time: Full Day

    July 25, 2017

    Pretty Good Lowering Springs

    Very straight forward install but did not come with very descriptive instructions, I had to download more informational instructions from AM. The best thing I like is this springs totally changed the look of the ride also all four corners are completely even now, a big issue with Ford OEM springs, never being even. Lowered 1.5" in front and almost 2" in the back all completely even, a big surprise for me, VERY HAPPY! Only problem is the rear springs seam a little spun-gee and now bottoms out over the smallest bump but of coarse your going to lose a little to gain the look you want. So far the handling seams a little better, nothing drastic but I have only changed the springs and struts and shocks so far. For the best results I think I'm going to have to change the OEM control arms also. Overall very happy so far.


    Year: 2004 Submodel: V6

    Helpful (3)

  • 5/5

    June 26, 2017

    Perfect height and smooth ride!

    Dropped perfectly with very little gap in the wheel wells. Car looks 10x meaner now and rides a lot smoother than stock. Got an exhaust added and makes the car seem way faster than what it is xD.


    Year: 2004 Submodel: V6

    Helpful (3)

  • 5/5

    August 15, 2016

    Live these Springs

    Only had these on my car for about two weeks now and there is a huge improvement in handling and ride. Dropped about 1.5 inches in front rear still sits a little higher than I would like.


    Year: 2002 Submodel: V6

    Helpful (2)

  • 5/5

    Installation Time: Afternoon

    June 05, 2016

    Eibach pro kit springs

    Made a drastic difference in the handling and the ride quality is still good! I would definitely recommend these to anyone looking for a better stance and handling for a new edge!


    Year: 2004 Submodel: V6

    Helpful (4)

  • 4/5

    Installation Time: Afternoon

    April 12, 2013

    Appearance looks excellent

    Installation is easy and you should renew the isolators. The old isolators may be to worn to reuse and then you could develop a squeak. The new springs did not ride any better then our old 2 inch drop springs. With these springs our front is lower by 2 inch and the rear by 1.5 inch. The Mustang looks great but rides a little hard.


    Year: 2002 Submodel: V6 Vancouver, BC, Canada

    Helpful (4)

  • 5/5

    Installation Time: Afternoon

    July 15, 2012

    Eibach springs w/lower ball joints And American muscle rims/tires

    I've changed the original stock 15 inch wheels And rims at the time of spring install . I went with the 17 staggered look with nitto555 . And installed lower ball joints since i was going to have it apart . This car is totally different now ! The ride is amazing !


    Year: 1999 Submodel: V6 Wichita, KS, USA

    Helpful (3)

  • 5/5

    June 21, 2012

    Worth it

    I've had these springs for over 2 months now and love them, it gives you the good look and handles better you can feel the road. Would recomend them to anybody with a mustang


    Year: 1998 Submodel: V6

    Helpful (3)

  • 5/5

    Installation Time: Afternoon

    February 18, 2012


    I installed my springs with a friend in my garage in 3 hours. Reviews say their stang lowered less than .75 inches but my b6 went down a solid inch and a half all around and it looks amazing and improves handling like you wouldn't believe!


    Year: 1997 Submodel: V6 Goodrich, Michigan

    Helpful (3)

  • 5/5

    February 26, 2011


    Love the handling, launching never felt soo good. No bouncing not a bumpy ride just like the box said THE CHOICE OF CHAMPIONS.

    Eduardo Gonzalez

    Year: 1997 Submodel: V6

    Helpful (4)

  • 5/5

    December 30, 2010


    I installed the Eibach Pro Kit springs and Eibach Pro Damper shocks, and the handling is markedly improved. My car has 114k miles on the original suspension, so I actually feel that the ride hasn't suffered from the upgrade. I would recommend getting the caster-camber plates if you're going to drop the ride height. I had installed the Eibach stabilizer bars this summer, and the combination of the three really sharpens up the ride, and dropped the ride 1.5" as advertised. I would recommend getting new spring isolators, because mine were shot. I installed this with two friends and we were able to do it ourselves, but it would be hard solo if it's your first time working on a car.


    Helpful (5)

  • 5/5

    December 07, 2010

    2002 V6

    These springs ended up being exactly what i wanted. I didn't know how low i wanted my car but the 1.5" drop all the way around is perfect, not to low that you bottom out on everything, but low enough to improve on the handling and get rid of the ugly tire fender gap and line up with the wheels. Huge difference than stock springs, it feels like you are driving on rails and you can really feel the curves, just how I like it. Had my shop put them on, and the isolators were in great condition so new ones were not needed (80k miles). Thanks again American Muscle!


    Year: 2002 Submodel: V6

    Helpful (5)

  • 5/5

    September 28, 2010

    Great springs - 96 mustang V6

    Easy Install, looks great, performs great, drives like its on rails ^_^ If your looking for your mustang to ride like a cadillac then this isnt your setup, stiff springs = stiff/rough ride, but i love them ^_^


    Year: 1996 Submodel: V6

    Helpful (7)

  • 5/5

    June 17, 2010

    Great Springs

    Recently installed these and have to say they can't be beat. Looks good and performs better around the corners. The only thing wrong with it is there are no instructions so if you don't know your way around the suspension then the front could be a little hard. I had to pretty much unbolt anything that would keep the a-arms up including the brake line to even get the old springs out. Also my car has just under 60k miles on it and my spring Isolators were in great condition front and back. Thanks AM

    Zach M

    Helpful (6)

  • 4/5

    April 07, 2010


    These springs were easy to install. Greatly increased the look of the car, the 4X4 look is gone. The car rides high enough to still stay over concrete parking stops too. Even with the mach 1 chin spoiler on. The only problem with this kit was that i had to purchase camber bolt to align it to spec. Overall a great kit for looks and handling. But not extreme that it requires suspension to be changed out.

    DAVE R.

    Helpful (11)

  • 5/5

    October 01, 2009


    I got these springs in 4 days.. installed them as soon as I got them. They look and ride amazing! I highly recommend these springs!

    Aaron E.

    Helpful (3)

  • 5/5

    December 21, 2008


    I ordered these on Monday, got them in on Friday, and installed them myself on Saturday. It took about 2 1/2 hours to install. I didnt have a spring compressor and it was fine, but you have to have a low profile jack and jack stands to do this job correctly. And the way my car sits now is amazing. It looks like a car that looks fast when its just parked. I have a 2000 V6 Mustang and it lowered it exactly 1.5 inches. I HIGHLY recommend that you buy the spring isolators with them, because when I pulled my old ones off they were ripped and torn really bad. A MUST BUY if you want style and handling.

    Mike D.

    Year: 2000 Submodel: V6

    Helpful (6)

  • 5/5

    September 22, 2008

    Nice Product!

    These springs make my ride look awesome!

    Said G.

    Helpful (4)

  • 5/5

    May 26, 2008


    Just installed these over the weekend and love the ride, definitely better than stock. I would recommend having a shop install them. Without a lift and spring compressor it would be difficult.

    Mike Trexler

    Helpful (2)

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