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Eibach Pro-Kit Springs (79-04 V8 Coupe; 99-04 V6 Convertible; Excludes 99-04 Cobra)

41 Reviews
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  • Item #47500
  • MPN# 3510.14

  • Market Price $278.99
  • You Save 12% ($34.00)
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  • Aggressive Stance
  • Improves Handling
  • Lowers Center of Gravity
  • Estimated Drop: Front - 1.5” Rear - 1.5”
  • Fits 79-04 V8 & 99-04 V6 Convertible, Excludes IRS
  • Clears Stock and Aftermarket Wheels & Tires.
Improves Handling. These Eibach Pro-Kit 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.

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

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 1979 to 2004 V8 Mustang Coupes and the 1999 to 2004 V6 Convertible Mustangs. Will not fit 1999 to 2004 SVT Cobras with Independent Rear Suspension (IRS).

  • 1979-1993 V8 Coupe:
    • Lowers Front: 1.2"
    • Lowers Rear: 1.0"
  • 1994-2004 V8 Coupe:
    • Lowers Front: 1.5"
    • Lowers Rear: 1.5"
  • 1999-2004 V6 Convertible:
    • Lowers Front: 1.1"
    • Lowers Rear: 1.1"

Spring Rates:
  • Front: 456-570 lb/in.
  • Rear: 200-251 lb/in.

Fitment: 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 Details

What's in the Box
  • (4) Lowering Springs
  • (1) Snubber
Installation Info
Tech Specs
Springs Specifications
Spring Rate: Front: 456-570 lb/in.
Rear: 200-251 lb/in.
Usage: Street
Year: 1979-2004 Model: 79-93 V8 Hardtop,
94-04 V8 Hardtop
99-04 V6 Convertible
Progressive or Standard: Progressive Estimated Drop:

1.2"F / 1.0" R
1.5"F / 1.5" R
1.1"F / 1.1" R

Will it fit my Mustang?
  • Bullitt - 01
  • Foxbody - 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93
  • Mach 1 - 03, 04
  • V6 - 99, 00, 01, 02, 03, 04
  • Cobra - 94, 95, 96, 97, 98
  • GT - 94, 95, 96, 97, 98, 99, 00, 01, 02, 03, 04

Does not fit 1999-2004 SVT Cobra's with Independent Rear Suspension (IRS)

Most Helpful Reviews

Perfect Ride

i went from my stock springs with miles to the pro kit and it\'s amazing ! perfect stance visually AND the ride is SUCH an improvement! handles AMAZING and is honestly a smoother ride ! i would ...

Read More
Helpful (17)

1.5" eibach drop

No doubt that the springs are great performance wise. It stiffened up the ride, and hitting those tight corners have never been more fun, BUT...was a little disappointed with the 1.5" drop. The gaps between ...

Read More
Helpful (7)

Overall Rating 4.8 out of 5 stars
Read All 41 Reviews

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6 Questions / 11 Answers

Ask a Question

I've ordered these springs for my 93 LX, will they work?! If not can i return them!?


  • Yeah they work. Look real nice to. Do yourself a favor and rent a spring compressor and get some bailing wire makes for an easy install


    Good Answer (0) (0)

Answer This Question I need this answered (0) (0)

CC Plates? Shocks and struts? Would I need to buy new shocks and struts along this kit if I still have the factory shocks and struts on my 2003 v6? Also, would I need to get cc plates since it is on that 1.5" borderline for a correct alignment? I am 17 and haven't dealt with this sort of mechanical difficulty with so many possible options. Any help would be great!


  • If you have an '03 V6 Convertible, this is the right kit for you. However, if you have an '03 V6 Coupe, you'd need this kit instead: You will want to purchase the CC plates to correct your alignment. General rule of thumb, any drop over 1" requires the CC plates to adjust the suspension to the proper toe and camber. Doing so ensures full life of your suspension parts and will prevent uneven and excessive tire wear. I'd also suggest purchasing new polyurethane front and rear spring isolators. They won't crack or dry out like the stock rubber does and they provide a cushion for a quieter ride. You certainly can use your stock shocks and struts without any problems. However, it's recommended to replace them to get the best handling and ride comfort you can while lowering your car. If you'd like some pointers on exactly what parts you want to get with your springs, please give us a call! We can answer any questions you may have and make sure you have the set up you are looking for!


    Good Answer (6) (0)

Question Resolved

315/35/17 Already have these installed on my 03 GT but, I am curious as to if they will be okay running with a 17x10.5 315/35/17 tire. If anyone of you out there have done this please let me know!


  • That is one of the most popular combinations - 315/35-17 and lowering springs. You won't have any rubbing or clearance using that wheel/tire combo and these Pro-Kit Springs. Check out the customer images for some examples - they look awesome!


    Good Answer (1) (0)

Show 1 more answer Question Resolved

Increased gas mileage Since these drop my car lower to the ground where there will be less air resistance will it really increase my gas mileage or is that a lie?


  • No


    Good Answer (0) (0)

Show 3 more answers Question Resolved

Will staggered 20s scrub or bottom out with this kit I have a set of foose speedster wheels on my v8 convertiable and need a spring kit but don't know which one to go with because I don't want to go with a smaller rim and tire with this one work out fine?


  • You will most likely run into rubbing issues with 20" rims and the Eibach Pro-Kit Springs (79-04 V8 Coupe; 99-04 V6 Convertible; Excludes 99-04 Cobra). The biggest wheel that we recommend putting on the 1999 to 2004 body style is an 18" wheel.


    Good Answer (0) (0)

Question Resolved

will these eibach springs fit my V-6 hardtop or only will they fit on a 2004 V-6 convertible


  • Hello, the Eibach Pro-Kit Springs (79-04 V8 Coupe; 99-04 V6 Convertible; Excludes 99-04 Cobra) shows fitment for the 79-04 V8 Coupe and 99-04 V6 Convertible only, if you have a 2004 V6 Coupe then I would advise going with Eibach Pro-Kit Springs - Coupe (79-04 V6, 4 Cyl)


    Good Answer (0) (0)

Show 1 more answer Question Resolved

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Customer Reviews (41) Write a Review

Overall Rating 4.8

out of 5 stars

Installation Time:Full Day

Installation Cost:$100-$250

  • Handling Improvement 4.416667 4.4
  • Ride Quality 4.333333 4.3
  • Appearance 4.75 4.8
  • Bang For Your Buck 4.5 4.5

  • 5/5

    May 14, 2009

    Perfect Ride

    i went from my stock springs with miles to the pro kit and it\'s amazing ! perfect stance visually AND the ride is SUCH an improvement! handles AMAZING and is honestly a smoother ride ! i would recomend these to every stang owner ! and no where better to get them then america muscle !

    Tim H.

    Helpful (17) (1)

  • 5/5

    April 18, 2011

    Eibach rocks

    I have a 2001 Bullitt (lowered 3/4 from the factory), these springs were pefect, just the right amount of drop, subtle yet noticable, 1 inch in the front and 5/8 in the back, the handling has greatly improved and the ride feels the same as stock. Only now it stays flat in the corners, and is even more fun to drive. Install was a breeze for the rear but a pain up front, decompressed the eibach springs were longer than stock bullitt springs, so getting them in with the isolators on was a chore, but worth the effort. I debated between these and the H&Rs and I would buy these again, I just wish I got them after AM dropped the price.

    Bullitt Z

    Year: 2001 Submodel: Bullitt

    Helpful (7) (0)

  • 5/5

    January 11, 2010

    1.5" eibach drop

    No doubt that the springs are great performance wise. It stiffened up the ride, and hitting those tight corners have never been more fun, BUT...was a little disappointed with the 1.5" drop. The gaps between the tires and fenders are still too big. Kinda wish I went with the sportline springs.

    Mad Mike

    Helpful (7) (0)

  • 4/5

    June 11, 2010

    Eibach Pro

    Definately get the shocks to go with this.... Also I think these need to lower the front 1/2 in more cause now the back sits lower than the front.... But it handles great, you dont need to waste your money on the bumpsteer or caster camber plates.... get the shocks and these then drive it and see if you still wanna buy the others after you get an alignment


    Helpful (13) (4)

  • 5/5

    October 01, 2008


    These springs will make your Mustang look MEAN! It is a perfect stance. All would I recommend is to buy sub frame connectors to really make you car handle with the best. Not bad at all, thanks American Muscle!!!


    Helpful (9) (2)

  • 5/5

    May 19, 2010

    Great value

    Great bang for the buck! Really leveled my 03' gt out. Handles well and no more staring at the stars when on the throttle. Definate recommend. As always, fast shipping and service from americ muscle. Thanks guys!


    Year: 2003 Submodel: GT

    Helpful (6) (1)

  • 5/5

    February 02, 2010


    1.5" drop.... Good for a daily driver i use to haul my kids and bike. Firm ride with the Pro-Kit Dampers, but not harsh.


    Helpful (4) (0)

  • 5/5

    February 13, 2008

    Just right!

    These springs offered the best of both worlds- low enough so that your car doesn\'t look backyard-dropped, but it still has awesome handling capabilities. If you\'re not willing to slam your car to the ground but want the advantages, this is the kit for you!

    Jay Mirabal

    Helpful (3) (0)

  • 5/5

    April 11, 2010


    Put these on my '98 and looks much better! No more 4x4 look and still a month or two before they completely settle down to their low point. Mine is a daily driver as well and could tell little stiffness to the ride, but nothing close to making it an uncomfortable ride. About an inch difference now, and about a half inch more by the end of the month. But looks great already now!!! Added the chin spoiler afterwords and front end looks sooo much better! A complete 180* !


    Year: 1998

    Helpful (5) (2)

  • 5/5

    March 09, 2010

    great set of springs

    the springs really help out my 92 gt..handles alot better and the springs were not that hard to put on..had to borrow a spring compressor for the front springs..took about 3 hours to install


    Year: 1992 Submodel: GT

    Helpful (4) (1)

  • 5/5

    Installation Time: Afternoon

    August 08, 2012


    At 116k miles my suspension has had it and was due to be replaced.Why not go with a name brand aftermarket one? Eibach has always been #1 in my books,in every car I have these installed. My drop for my 2001 Convertible was 2",which was great for me.The stance is aggressive,the ride quality...surprisingly BETTER because the stocks were just too worn down. Not only did I get the springs.. I matched them with AM's Tokico HP Blue shocks and struts along with Eibach camber bolts. And these pared together=EXCELLENCY! You know that fish tail feeling you get when you go over a bump at 45mph-GONE You know that body roll you get when turning corners fast-GONE You know that annoying THUG in the back when you go over a speed bumb -GONE What about that floating feeling when your going over 55mph-GONE My setup hugs the road. All in all install took 3 hours.Lowered my car 2". And I can still go over speed bumps(slow ofcourse) without any problems. And these all came within 2 days of ordering! I hope this writeup helps. Thank you AM ~Christina


    Year: 2001 Submodel: V6

    Helpful (2) (0)

  • 5/5

    May 09, 2011

    great buy

    these are awesome. thats all i can say. very aggressive look and dramatic handling increase

    jason h.

    Year: 1997 Submodel: GT

    Helpful (1) (0)

  • 5/5

    September 19, 2010

    Great Springs

    I bought these maybe a year ago, and still am very happy with them. Its obvious they arent meant for track/road racing, but mostly for daily driving. They ride very smooth and soft in comparison to stock, and are stiffer than stock so they handle corners better too. Install was basically no problem once i got proper directions. I also only wanted around a 1" drop because of some bad parts of the road around here and thats about what i got on my 2000 v6 convertible.


    Year: 2000 Submodel: V6

    Helpful (2) (1)

  • 5/5

    September 02, 2009




    Helpful (1) (0)

  • 5/5

    August 26, 2009

    High Expectations

    Couldn't be happier! Ordered my springs and less than 48 hours later I had them in my hands - STEP 2!


    Helpful (1) (0)

  • 5/5

    February 09, 2009


    These springs improve handling and makes your car a head turner with a great set of rims.


    Helpful (1) (0)

  • 5/5

    April 07, 2008

    Sweet ride

    These springs are great. It acually made my gt more comfortable to drive, and really helped in those hard corners. Traction from a launch was helped as well.

    Dave B.

    Helpful (1) (0)

  • 5/5

    November 17, 2007

    awesome drop

    I love the pro-kit, it dropped my ride enough to give it a mean stance, and its also got awesome handling as well. It\'s perfect and changed the look dramatically. Great product.


    Helpful (1) (0)

  • 5/5

    October 15, 2007

    love the low

    I love these springs. They dropped my car perfect and were just what I wanted!

    Ryan Madden

    Helpful (1) (0)

  • 5/5

    Installation Time: Afternoon

    March 11, 2014

    nice springs

    went in real easy,dropped car where I wanted it,instructions on video were a snap


    Year: 1999 Submodel: V6

    Helpful (0) (1)

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