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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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    Features, Video & Details

    • 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.

    Review & Installation Video

    Review & Install Video

    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

    MPN# 3510.140

    CA Residents: WARNING: Cancer and Reproductive Harm -

    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
    • Cobra - 93, 94, 95, 96, 97, 98
    • Cobra R - 93, 95
    • GT - 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 00, 01, 02, 03, 04
    • LX - 87, 88, 89, 90, 91, 92, 93
    • Mach 1 - 03, 04
    • Other - 79, 80, 81, 82, 83, 84, 85, 86
    • V6 - 99, 00, 01, 02, 03, 04

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

      Customer Photos (85) Submit Your Photo

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        Questions & Answers (13)

        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

          Customer Reviews (57) Write a Review

          Ratings Summary

          4.7 out of 5 overall rating from 57 customers

          Installation Time: Full Day

          Installation Cost: $100-$250

          • 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 (0)
          • 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 (3)
          • 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 (7)
          • 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 (7)
          • 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 (6)
          • 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 (8)
          • 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 (4)
          • 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 (6)
          • July 07, 2017

            5 1990 LX - MO

            Good stuff

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

            Helpful (5)
          • July 01, 2017

            5 1999 GT - GreA Installation Time: Full Day

            Great value and performance

            Great combination of looks, ride, and handling. Ride and handling are better than stock. The amount of drop is just right..

            Helpful (5)
          • March 21, 2017

            5 1997 GT - Lou Installation Time: Full Day

            Great Product....

            Actually improved ride and handling way more than expected....dropped the car by about 1" which was good enough for me. I purchased front and rear isolators as well and so far so good. Very happy with the overall package and performance without spending a fortune. Wish I had done it long time ago.....Definitely recommend!!!!

            Helpful (5)
          • March 06, 2017

            5 1995 GT - None

            Eibach Pro kit

            I bought the Eibach Pro kit for my 95 Gt it was a easy install and the 1.5 inch drop looks great. I would definitely recommend great produc

            Helpful (6)
          • February 09, 2017

            5 1993 GT - NicholasS Installation Time: Afternoon


            Installation was straightforward and with the new springs the mustang looks like it should!

            Helpful (5)
          • January 07, 2017

            5 2003 GT - DC Installation Time: Afternoon

            Good Product

            Personally these were what I was looking for. Not a dramatic drop but a nice look for the car. I noticed no difference in the ride compared to stock. The install seems daunting but its really not hard, I recommend researching the install thoroughly before tearing into it. I left my front isolators out and only the bottom isolator in the rear in and I love the look.

            Helpful (4)
          • December 31, 2016

            5 2001 GT - Stangman Installation Time: Less than 1 Hour


            These springs are the ONLY way to go! Improved cornering and launch. And an awesome look! After install the springs take about 8 hours to settle in and gives the car an aggressive stance. Also, very easy install!

            Helpful (5)
          • October 27, 2016

            4 2004 GT - ScottS

            Like stock!

            My 04 ride height is about an inch lower after settling. I notice it, but nobody else can. I didn't want the stiff suspension feel so I went with this pro kit. The car rides like stock due to the progressive spring rates. Also, when installing the rear, they don't tell you that your LCA won't line up with the axle so you have to jack up the front of the diff to align it.

            Helpful (4)
          • October 18, 2016

            5 2004 GT - 1MeanStang Installation Time: Shop Install Installation Cost: $250-$500

            Great looking perfect drop

            I recommend these to any mustang owner these dropped it perfect and that was right after they got done give em about a solid week to settle oh yeah amazing looking. Ride is good. Now I had to go with these because I have cutouts and longtube headers other wise I'd go with the sportlines but if you don't plan on longtubes or cutouts or anything hang low for exhaust I'd go sportlines now you will suffer ride quality but who cares it's a mustang right lol but other wise go with these great looking Better than stock of course my girlfriend has sportlines on her 98 GT it looks so sick I love it but she don't have longtube headers she has shorty headers so she can go that low lol. Don't expect these to slam it because they won't even settled they won't now sportlines will but these settled look amazing good for me. Definitely get these. Oh rear you can do yourself easy front end do by shop with caster and camber plates. And price idk just call around and check

            Helpful (5)
          • April 05, 2016

            3 2002 V6 - Tomas Installation Time: Full Day

            Perfect height

            Got these to replace a broken front spring. Fronts are a challenge for one person to install without spring compressor. Lowered ride height is perfect. Suspension feels same or slightly stiffer. I paired these with Koni STR.T shocks.

            Helpful (4)
          • December 24, 2014

            4 1991 GT - Kyle26 Installation Time: Full Day

            Love the ride, may not work for me with wheel tire combo

            I bought these to lower my '91 GT and make it handle better. Installed them with a set of KYB AGX front shocks. Both of these goals were mostly achieved, however, hard bumps, heavy braking, and any turning while moving faster than 15 mph causes tire rub in the front of the car on the top of the arch of the metal fender on both sides. Harder bumps also cause rubbing on the rear fenders. I am running (Front: 245/45 R17x8, Rear: 275/40 R17x9) with 1/2 inch spacers in the rear (to prevent the wheels from rubbing on the rear axle dampers). I put a set of twist in spring stiffeners in the rear and now that doesn't rub but I haven't figured out a solution to the front yet. Different wheels and rolling my fenders are out of the question so I may have to go back to stock springs. So in summary, love the springs but be aware of your wheel tire combo with relation to the amount of lowering.

            Helpful (5)
          • March 11, 2014

            5 1999 V6 - Sticky58 Installation Time: Afternoon

            nice springs

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

            Helpful (4)

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