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

Item 47500
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      Review & Installation Video

      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation


      • 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

      Eibach 3510.140

      CA Residents: WARNING: Cancer and Reproductive Harm -

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (4) Lowering Springs
      • (1) Snubber

      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


      Customer Reviews (58)

      Write a Review

      Ratings Summary

      4.7 out of 5 overall rating from 58 customers

      Installation Time: Full Day

      Installation Cost: $100-$250

      • March 29, 2020

        5 2004 GT - SeanR Installation Time: Afternoon

        Eibach Spring Install

        Excited to finally install Eibach springs which was a breeze. Definitely replace isolators if putting new springs. As far as the lowering spring install it was an absolute breeze with now problems. If you have access to a lift it definitely makes things easier. The lowered drop was supposed to be approximately 1.5" on a 2004 but I only dropped 1" a little disappointed but I'm sure once they break in it will be a 1.5" all around.

        Helpful (3)
      • September 24, 2019

        4 2000 V6 - Rivalman51 Installation Time: Shop Install Installation Cost: $100-$250

        2000 *****

        The spring are really nice! The only reason i dont give five stars is i thought it would lower me just a little bit more then they did. This is the second set of these springs i have bought for this car. The first set ended up bottoming out, almost, over time. These seem much stronger, (the others were on the car 15 years), as the car with this set has the nice agressive stance, vs being just lowered an inch from the ground.

        Helpful (3)
      • December 09, 2018

        5 2000 GT - GarrisonM


        Really love the look of my car now and these springs dropped it a good amount. Paired with Eibach pro dampener kit.

        Helpful (6)
      • May 23, 2018

        1 2004 GT - WalterS Installation Time: Afternoon

        Not much drop

        Only lowered the car a 1/2 inch, not worth the work involved or the money. Should have bought Ford Performance B springs.

        Helpful (10)
      • March 20, 2018

        5 1998 GT - LukeD Installation Time: Afternoon

        Good product

        They ride great! Perfect for crusing around! And they help stop the excesive body roll of the stock springs. Hopefully they perform at the track.

        Helpful (10)
      • December 29, 2017

        5 2004 Mach 1 - MichaelM Installation Time: Afternoon

        High Quality

        Made a huge difference in evening out my ride quality and put the car at a perfect height. Highly recommended!

        Helpful (9)
      • November 17, 2017

        5 2001 GT - Enrico Installation Time: Full Day

        Eibach pro spring for coupe

        I installed these and the koni strt shock and strut kit. I was nervous that ride quality would plummet and I would hate my car. My car previously had the Bullitt suspension but with 160k miles, it needed replacing. The install took me about 8 hrs to laugh, curse, and toss a couple wrenches, as i had no impact gun or second set of hands. My patience paid off big time with this set up, it's more firm, like a sports car should be. The first impression was "what car is this?". The boat feeling is gone, the look is great. After driving around 30 mins, I headed back home through a 25 mph country twisty road. I thought I was alone, but someone in a blacked out Mercedes got right on my rearview. Unsure of what the outcome would be, I downshifted into 2nd just before the first turn. Mid corner, I left with authority, cautious of the gravel on the road. By the time I entered the next turn, the Mercedes was trying to catch up. I grinned so hard that it hurt. After we were back on a straight road, I just cruised, the suspension took all I threw at it. No tire chirp or body roll. The Mercedes driver was mad as he drove by and he sped off. Buy this kit only if you don't mind a permanent grin.

        Helpful (11)
      • November 06, 2017

        5 2003 GT - BrianT Installation Time: Full Day

        2003 mustang gt

        Previously had the springs in my Mustang. Unfortunately one is broken in the front. I replaced them would have said a new ones love the way they ride and ride height

        Helpful (7)
      • September 12, 2017

        5 1998 GT - Vaporeyezer Installation Time: Afternoon


        Had my mechanic put these inn took him a couple of hours, but I just love the after look. Ride is firm but still smooth. Great job AM!

        Helpful (9)
      • July 07, 2017

        5 1990 LX - MO

        Good stuff

        Worked well-rides good, perfect stance good service from the AM team

        Helpful (9)

      Questions & Answers (13 answers)

      5 Top Rated Questions

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

      • Hi, these Eibach Pro-Kit Springs will only work with 79-04 V8's and 99-04 V6 Convertibles because of the spring rates, we do have a set of springs for 79-04 hardtop V6's Item #47501 Here's the link

      Helpful (2) Show 1 more answer

      Do these springs work for any other vehicle other than a ford

      • These do not work with vehicles other than noted on the product listing.

      Helpful (0)

      Hi, I've got an 02 V6 Coupe. You recommended to someone else, .... The Eibach Kit for 4cyl and V6. You've apparently Dropped that Product... Any other suggestions.

      • We are currently showing the item in the link in stock and available for purchase. If you need assistance placing the order or have any other questions about this item or any other item, please give our customer service representatives a call at 1-877-887-1105. American Muscle hours of operation are from 8:30 am until 11 pm Eastern time, 7 days a week.

      Helpful (0)

      Would you need to replace the stock shocks/struts with this kit?

      • The Eibach Pro-Kit Lowering Springs will not require new shocks and struts in order for installation but will be a very considerable upgrade. Your original shocks and struts are not manufactures to handle the additional pressure of these lowering springs and will wear over time so upgrading sooner than later will be best.

      Helpful (0)

      I have them on my 2001 V6 3.8 convertible Can put long tube headers on it and not have bottom out issues Thanks

      • You can put the Eibach Pro-Kit Lowering Springs with long tube headers without the issue of them bottoming out.

      Helpful (0)
      Post Your Question
      8 More Questions
      Can i still keep my stock struts and shocks 1 answer
      Wil l my eibach Springs fit in the front of my 2004 Ford Ranger 3510.501 1 answer
      Will these particular Springs work on a 2003 GT convertible? I know there are specific eibach Pro kit convertible springs available for my car, but they get such bad reviews particularly in not lowering the car as advertised. I just need to know if anybody has put this kit on their convertible and what is the actual estimated drop if anybody knows? Thanks for the help! 1 answer
      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? 1 answer
      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? 4 answers
      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! 2 answers
      I've ordered these springs for my 93 LX, will they work?! If not can i return them!? 1 answer
      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! 1 answer

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