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Eibach Pro-System-Plus (94-04 V8 Coupe, 99-04 V6 Convertible)

AmericanMuscle no longer carries the Eibach Pro-System-Plus (94-04 V8 Coupe, 99-04 V6 Convertible). Please check out 1999-2004 Mustang Springs for an updated selection.
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Features & Details

  • Complete Handling Package
  • Improves Driving Performance
  • Eliminates Body Roll; Lowers Center of Gravity
  • Aggressive Stance
  • Pro-Kit Springs Included
  • Estimated Drop: 1.1" Front, 1.1" Rear
  • Fits 94-04 V8 Coupe, 99-04 V6 Convertible, Excludes IRS Models
Superior Handling. Lowering springs are fine to drop the ride height of your Mustang, but if you want your Mustang to handle like a true track car you need to upgrade your entire suspension. The Eibach Pro-System-Plus will improve turn-in response, increase cornering speed and reduces body roll - turning your Pony into a corner-carving machine.

Pro-System-Plus. The Eibach Pro-System-Plus is made up of Eibachs Pro-Kit Springs, Pro-Damper Shocks and Struts, and Anti-Roll-Kit Sway Bars to create the ultimate street performance suspension package for your Mustang - all while maintaining excellent ride quality.

Application. This Eibach Pro-System-Plus is designed for use on the following models:
  • Fits 1999-2004 V6 convertibles.
  • Fits 1994-2004 GT, Bullitt, and Mach 1 coupes.
  • Fits 1994-1998 SVT Cobra coupes without IRS.

Kit Includes:
  • Front Struts
  • Rear Shocks
  • Pro-Kit Lowering Springs - Progressive rate
  • 35mm Tubular Front Sway Bar with bushings
  • 25mm Solid Rear Sway Bar with bushings

Fitment: 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 Details

MPN# 3517.680

CA Residents: WARNING: Cancer and Reproductive Harm -

What's in the Box
  • (2) Front Struts
  • (2) Rear Shocks
  • (4) Pro-Kit Lowering Springs - Progressive rate
  • (1) 35mm Tubular Front Sway Bar with bushings
  • (1) 25mm Solid Rear Sway Bar with bushings
Installation Info
Tech Specs
Will it fit my Mustang?

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Questions & Answers (10)

5 Top Rated Questions

will my 17x10.5 wheels with 31535R17 tires will fit with no problem?

  • The Eibach Pro-System-Plus will work with the wheels you have no problem yes.

Helpful (0)

eibach pro ss plus or sr coil over cant decide which to go with.

  • Both are great systems! I have ridden in a car with the SR Performance coil over kit and it handled great. The car felt planted to the ground and hugged the turns. I did not really see any pros or cons going with either kit compared to the other but I can promise you no matter what route you go you will not be disappointed!

Helpful (0)

Which is better SR coil-overs or Eibach pro-system-plus for street and course racing?

  • For road course racing the Eibach Pro-System-Plus (94-04 V8 Coupe, 99-04 V6 Convertible) will be the better option as this will come also with sway bars for better handling.

Helpful (0)

Is it recommended to use the spacer included with the X2 ball joint in conjunction with the Pro-System Plus kit? I want a moderate drop in suspension, nothing to extreme.

  • It would definitely be a good idea to get the Steeda X2 Ball Joint Kit (94-04 All), item # 16048, ( Along with the Pro-System Plus Kit, your Mustang will have excellent handling without the annoying body roll. This Suspension Kit will only give you a 1.1" drop in the front and rear. The drop is not extreme in appearance, but the new suspension will completely change the handling of the car.

Helpful (0)

i was wondering if this would fit on a 98 gt convertible. if not then do you have a similar package that would fit.

  • The Eibach Pro-System-Plus (94-04 V8 Coupe, 99-04 V6 Convertible) will not fit a 1998 GT convertible. Unfortunately we do not have a similar package that would work for this year.

Helpful (0)
Post Your Question
5 More Questions
Compatibility with other parts? will this be compatible with the : SR Performance Black Strut Tower Brace and SR Performance Caster Camber Plates for my 02 v6 convertible? Or What do I need for Lowering it? 1 answer
Mach 1? Will this work with an 04 mach 1? 1 answer
What is the best or recommended tire and wheel size to go with this suspension system 1 answer
What is recommended to buy with this kit after looking at this and all the other Eibach kits i realized it would be good to buy caster camber plates with this. Is there anything else that would be recommended to buy with this kit? 3 answers
are the the best parts AM has to offer for 99-04 GTs in this package? Im looking for the best race suspension parts AM has to offer. I know this is a good deal but Im willing to spend the extra money on the best for my 02 GT. 1 answer

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Customer Reviews (8) Write a Review

Overall Rating 4.6

out of 5 stars

Installation Time:Weekend

Installation Cost:$500-$1000

  • Handling Improvement 4.285714 4.3
  • Ride Quality 4.142857 4.1
  • Appearance 4.857143 4.9
  • Bang For Your Buck 3.714286 3.7

  • 2/5

    Installation Time: Shop Install

    Installation Cost: $500-$1000

    July 03, 2018

    Feels like stock

    When needing suspension to be restored i decided to get a complete kit. I did not want to take the cheap way out so I decided to get this kit thinking it was going to be a huge improvement. I bought this kit along with new front and rear arms and caster camber plates. At the end of the day the car feels the same as it did before. Same body roll, same handling and traction issues. Did not lower my car either. I would return it and go the cheap way out because it would be the same but I would have to pay for uninstall and installation again and I can't afford it. No improvement at all.


    Year: 2001 Submodel: Bullitt

    Helpful (1)

  • 5/5

    October 02, 2016

    Control Issues Handled

    This product package is awesome and by all means does what it is intended to do. Its like I'm driving a whole new vehicle that responds to what I want it to do immediately and I mean it grips turns like its nothing now! I will most likely end up dropping to lower rear springs because there is a little larger wheel well to tire gap then I'd like, but in terms of performance, its solid!


    Year: 1999 Submodel: GT

    Helpful (1)

  • 5/5

    Installation Time: Shop Install

    Installation Cost: $250-$500

    October 24, 2015

    98 Cobra

    The Eibach suspension kit is all that it is advertised to be. No more body roll, car hugs corners, more aggressive stance, seems like the car is able to launch upon stepping on the accelerator without the car squatting from the torque. My '98 cobra feels like a modern Mustang. I also own a '11 GT 5.0, and '06 GT conv't with 4.6L and I can drive my Cobra with the DOHC as spirited as my other two modern Mustang. And not worry that a near 20 yr old car can handle and more importantly command the road. It does without question. It does not struggle with the inconsistencies of modern roads all around. Well worth the money. Either highway, road ways, in traffic or even better yet on the Autobahn, Eibach has engineered a great product and tuned it, for this specific era mustang beyond factory specs.


    Year: 1998 Submodel: Cobra Fresno, Ca

    Helpful (2)

  • 5/5

    Installation Time: Full Day

    September 26, 2014

    Amazing suspension!

    Bought this in April for my '00 GT. Best mod so far! Was a little expensive but the drive quality improvement is outstanding! I can dive corners no sweat that I couldn't touch on stock suspension. Great product.


    Year: 2000 Submodel: GT

    Helpful (3)

  • 5/5

    Installation Time: Weekend

    September 20, 2013

    drop worth the buck

    I was able to install this kit in about one weekend with me and a buddy and common hand tools. U'll need the extra hand when it comes to installing those big and heavy sway bars. The instructions that come with the kit are really minimal and don't have much details or any info, so I had to take some time on the side to do some research and get all the right torquing specs. Other then that, this install went with a breeze. Overall great product and craftmanship.


    Year: 2003 Submodel: GT Las Vegas, NV, USA

    Helpful (4)

  • 5/5

    Installation Time: Full Day

    April 20, 2013

    Awesome upgrade for my 2003 gt

    Awesome for my GT. Increased handling , eliminated nose dive during sudden braking, reduced squatting during aggressive acceleration and aggressive stance. I really can't say enough about this system guys. I've had the system for approximately (3) weeks now. I can't stop grinning while driving. It does everything the manufacturer said it would. The folks at AM did a great job with the video clips. I could go on for quite a while about this system. Thanks AM , you guys did again. I'm excited about this product and I will continue to shop AMERICAN MUSCLE !!!!!!!


    Year: 2003 Submodel: GT Miami, FL, USA

    Helpful (3)

  • 5/5

    Installation Time: Weekend

    September 23, 2012

    Perfect For Cruising on Curvy Roads

    Installation is truly a pain when working by yourself and no rack. It isn't impossible to install using jack stands though. You should definitely plan on changing out the ball joints while you're under there as well. I had a slight problem with the front sway bar, and wound up shaving the bolt sleeve by about 1/4 inch in order to get the nut to fasten down. Other than that, the entire kit seemed to be fairly easy and straightforward. Before this kit, taking turns at decently elevated speeds was highly risky due to severe body roll. Now, same curves are easier to take at higher speed with virtually no noticeable body roll. This kit sacrifices ride quality, but the styling and functionality far outweigh the loss.


    Year: 1995 Submodel: GT Niota, TN, USA

    Helpful (3)

  • 5/5

    Installation Time: Full Day

    September 26, 2011

    Great ride

    This is an amazing kit. the car handles like it's on rails, the body doesn't even roll when I'm carving the corners. instal was a bit tough only cause the tie rod ends on the sway bar seamed to be about an 1/8 inch to short. I also changed out my ball joints with the X2 and noticed another 1/2in drop in the front. I will have to say that I wish the rear shocks where a tad bit stiffer but I still love the ones that are on there. Completely different car and would highly recommend this kit a thousand times.


    Year: 2004 Submodel: GT hawaii

    Helpful (15)

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