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

Market Price $294.30 You Save 10% ($29.43)
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$264.87

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  • Item 47812
  • MPN# 4.1035

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    Features, Video & Details

    • Extreme Lowering & Aggressive Stance
    • Race Car Like Handling
    • Lower Center of Gravity
    • Progressive Spring Rate
    • Estimated Drop: Front - 1.7" Rear - 1.5"
    • Fits 79-04 V8 Coupes & 99-04 V6 Convertible, Excludes IRS
    • Clears Stock and Aftermarket Wheels & Tires.

    Review & Installation Video

    Review & Install Video

    The Eibach Sportline lowering springs are going to be a good option for the owners out there who are looking for a progressive-rate spring that'll give an aggressive drop and aggressive handling. The spring is perfect for those owners out there that are willing to sacrifice some of the nicer amenities of a soft ride quality in order to gain one of the biggest drops from a lowering spring. These springs will lower the car 1.7 inches in the front and 1.5 in the rear. As far as the install goes, you're looking at a two out of three wrenches on the difficulty meter and you can plan on spending a half a day to get the install done. The Sportline springs are a very popular aftermarket spring. Not just for these cars, but across multiple generations, because of the amount of drop that they offer. Right now, this kit is going to be your go-to choice if you're looking to drop the car as low as possible on a lowering spring. Even though these offer a lot of drop, the Sportlines feature a progressive or dual-rate spring, which is always a great choice for a streetcar. Because it'll be relatively comfortable in cruising, but progressively get firmer when you start pushing the car and that's reflected in the spring rates. Some of the benefits of using a progressive-rate spring like this include improved roll control over a traditional linear spring, especially when paired with a set of matched sway bars, like the Eibach sway bars. Ride quality is something that's going to be subjective. But I can at least give you an idea of what to expect here. Taking into consideration the fact that these offer a good amount of drop and that they are progressive, you can definitely expect a firmer ride quality. You are going to notice more bumps in the road and have more of what I call a "sporty" ride quality. But it isn't a bad ride quality at all. Another thing that I wanted to bring up here is caster camber plates. Caster camber plates are always going to be a good idea when you lower your car. But they don't really become necessary until you hit one and a half inches or lower. In this case, I'd say that a set of CC plates are needed if you don't already have a set, since these offer a big drop. That way, you know that you'll be able to get your car limit back in spec after the install. Speaking of extra things here, it's also always a good idea to pick up some new spring isolators, especially if they have a lot of miles on them. These springs are still going to allow the car to clear the stock wheels and tires. But they'll also clear the preconfigured wheel and tire combo kits that we offer here on the site for the specific generations, so you won't have to worry about rubbing. I do want to specify that these will fit the '79 to '04 V8 coupes and the '99 to '04 V6 convertible Mustangs. They will not fit the '99 to '04 Cobras due to the IRS. When it comes to price, you can expect to pay just north of the $250 mark for these springs. If this price sounds a bit high for you, you can always shop around for another brand and save a little bit of money. SR Performance is very budget-friendly, and Vogtland, ST Suspension, and Ford Performance all have similar offerings for a touch less than these springs. As far as the install goes, this isn't a difficult install, but it does involve a lot of work. I'm going to call this one a two out of three wrenches on the difficulty meter. You're looking at spending a half a day in the garage, and you'll need an assortment of wrenches and sockets, and of course a spring compressor, and a jack and jack stands if you don't have access to a lift. This is all straightforward and it's something that most people can handle themselves. You're going to have to break down everything like your calipers and rotors, and get your old shock and strut, and spring setup out. Luckily, since this kit is a direct replacement, it makes the install easier. Your springs and struts install separately. So you're looking at needing to slide the front struts into place and getting the top nuts back on, as well as getting the spring seated and in place. The rear is a little bit different, but you're still looking at needing to remove your factory component. After the springs are installed, the shocks can be installed and those go in the same way the factory ones came out, and that's pretty much it. Keep in mind that after tweaking this much of your car's suspension, you're going to need an alignment to make sure everything still looks good and is in spec. That's going to do it for my review of the Eibach Sportline spring kit for the '79 to '04 V8 coupe and the '99 to '04 V6 convertible. But you can check these out more online right here, at americanmuscle.com.

    Better Handling. Give your Mustang the sportscar type handling it deserves with an Eibach Sportline Spring Kit. This lowering spring kit lowers your Mustang's ride and center of gravity even more than the legendary Eibach Pro-Kit, for maximum improvement in acceleration, cornering, and braking performance. A set of Eibach Sportline springs are the no-comprimise choice for the enthuisast that still needs a streetable car.

    Maximum Lowering. Eibach's Sportline Spring Kits are designed to deliver the lowest possible drop for a racecar like look and handling while still maintaining exceptional ride quality.

    Progressive Design. Eibach uses their proprietary progressive spring design to create the Sportline springs. The result is a spring that delivers the maximum lowering and aggressive stance a true enthusiast demands, without 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 Eibach Sportline springs is designed for 1979 to 2004 V8 Mustang Coupes and the 1999 to 2004 V6 Convertible Mustangs. Will not fit 1999 to 2004 SVT Cobra's with Independent Rear Suspension (IRS). Sold as a set of 4.

    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

    CA Residents: Warning: California's Proposition 65

    What's in the Box
    • (4) Lowering Springs
    • (1) Snubber
    Installation Info
    Tech Specs

    Specifications:

    • 1979-1993 V8 Coupe:
      • Lowers Front: 1.7"
      • Lowers Rear: 1.5"

    • 1994-2004 V8 Coupe:
      • Lowers Front: 2.0"
      • Lowers Rear: 1.8"

    • 1999-2004 V6 Convertible:
      • Lowers Front: 1.7"
      • Lowers Rear: 1.5"


    Springs Specifications
    Spring Rate: Front: 550 lb/in.
    Rear: 251 lb/in.
    Usage: Street/Track
    Year: 1979-2004 Model: 79-93 V8 Hardtop,
    94-04 V8 Hardtop
    99-04 V6 Convertible
    Progressive or Standard: Progressive Estimated Drop:

    1.7"F / 1.5" R
    2.0 "F / 1.8"R
    1.7"F/ 1.5"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)

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    Questions & Answers (51)

    5 Top Rated Questions

    Will these fit the 99 v6 coupe? If so will it actually lower it? Thanks AM

    • Although advertised and designed for the 99 V6 convertible, it will certainly fit the coup as well. The convertibles are heavier than the coups, so the springs will be more stiff than intended, and the Mustang won't drop as much as advertised, due to its lighter weight in comparison.

    Helpful (2)

    I have a 1996 convertible GT and was wondering if these would fit.

    • The Eibach Sportline Spring Kit would work with the convertible models, however, is not set up for the weight difference from the convertible to the coupe models and will react differently.

    Helpful (1)

    I have a 2000 gt 275 in front 315 in rear will these work thank u

    • The Eibach Sportline Spring Kit will work with those tire sizes as long as the wheel offset is correct. All of our Mustang wheels will allow this to work, as well as any aftermarket wheels sharing the same offset for that given size.

    Helpful (1)

    I am planning on putting 20" Rovos on my 2002 GT. Will these springs be too low?

    • The Eibach Sportline Spring Kit will fit 20 inch wheels. However fitment will depend on the tire size you add as well.

    Helpful (1)

    Which springs are the front? The bigger or smaller ones?

    • The springs will roughly match up in diameter and height to the OEM springs. Further install details can be seen below: https://lib.americanmuscle.com/files/7904-lowering-spring-install-cust.pdf

    Helpful (0)
    Post Your Question
    10 More Questions
    Will I have to purchase the front and rear isolators as well for the perfect fit? 1 answer
    Will this fit and a 1997 v6 coupe or is there any way to make the fit 1 answer
    I have a 1990 mustangt gt. Will 245s clear in the front? I’m having turn radius issues because the tires rub in the front but I do not know exactly how low my car is sitting currently. 1 answer
    What is the spring rate on these Sportline springs? 1 answer
    I need to know if these will fit a 95 mustang that was originally a v6 with automatic... my 95 now has the 5.0 pushrod, t5, and 8.8 rear end. Will the springs fit and work with my new setup? 1 answer
    My 95 mustang was originally a v6 coupe, I have stripped out the v6 and auto trans for a 95 5.0 HO push rod engine and t 5 trans. I have also installed the 8.8 rear end with 4.10 gears.... my question is will these springs fit now that the car is converted to a GT setup? Or will these springs not fit because it was originally a v6 coupe? Thanks in advance for your help and I hope I was clear with my question. 1 answer
    What size rims would best fit with this drop? 1 answer
    what is the spring rates on these sprinsg? 1 answer
    Will these fit this wheels kit from AM? (Staggered Saleen Style Matte Black Wheel Sumitomo Tire Kit - 18x9/10) 2003 GT convertible. 1 answer
    Will the eibach sportline lowering springs fit a 2000 v6 coupe , because it say it’s fits the v6 but only convertible , and I don’t want the sr ones 1 answer

    People Who Bought This Item Also Bought

    Customer Reviews (100) Write a Review

    Overall Rating 4.8

    out of 5 stars

    Installation Time:Afternoon

    Installation Cost:$100-$250

    • Handling Improvement 4.719101 4.7
    • Ride Quality 4.516854 4.5
    • Appearance 4.853932 4.9
    • Bang For Your Buck 4.696629 4.7



    • 5/5

      Installation Time: Afternoon

      October 13, 2018

      Its amazing

      Looks great and handles great!! that's pretty much it

      Tye

      Year: 2003 Submodel: GT

      Helpful (0)

    • 5/5

      Installation Time: Afternoon

      October 08, 2018

      lower

      made it look great , make sure you have jack under A arm to lower it slowly

      NoahW

      Year: 1998 Submodel: Cobra

      Helpful (0)

    • 5/5

      Installation Time: Afternoon

      September 28, 2018

      Nice!

      My 02 gt looks and handles a lot better especially when turning and breaking.

      RolandoP

      Year: 2002 Submodel: GT

      Helpful (0)

    • 5/5

      Installation Time: Afternoon

      September 24, 2018

      Great spring

      Lowered the car just enough to close the massive wheel gap, looks great, easy to install and paired with a set of koni struts.

      MatthewF

      Year: 2004 Submodel: Mach 1

      Helpful (0)

    • 5/5

      Installation Time: Afternoon

      July 19, 2018

      GREAT SPRINGS!!!

      MY CAR LOOKED LIKE IT HAD A LIFT KIT STOCK NOW ITS NICE AND LOW JUST A LITTLE BIT OF RAKE IN THE FRONT HANDLES AND RIDES GREAT WOULD RECOMMEND TO ANYONE.

      AnthonyC

      Year: 1996 Submodel: GT

      Helpful (1)

    • 5/5

      Installation Time: Afternoon

      July 17, 2018

      Lowering springs

      Very easy to install, the whole job took about 4 1/2 hours and that was shocks, springs and caster/camber plates. Of coarse it helps when your car is rust free. The springs set the car just where I wanted it, the ride is a little more harsh but that is to be expected, highly recommend these springs.

      TonyP

      Year: 2002 Submodel: GT

      Helpful (2)

    • 5/5

      Installation Time: Less than 1 Hour

      June 10, 2018

      Satisfied

      Pretty happy with these springs they make the car look mean.

      RafaelS

      Year: 2000 Submodel: GT

      Helpful (4)

    • 5/5

      Installation Time: Afternoon

      May 16, 2018

      Low

      Eibach sportline lowered my mustang just right and ride quality is excellent and gave it better stance and look but best part is how car handles still need to replace some other suspension components and will enhance springs

      MichaelM

      Year: 2002 Submodel: V6

      Helpful (4)

    • 5/5

      Installation Time: Afternoon

      May 04, 2018

      Hot

      I was excited in getting the springs. When i installed them i was happy that i was getting rid of the big gaps in the wheel well. The back was perfect. But i was disappointed in the front. Even though it drop 1.7 inch i still have a 2 1/2. Gap. Iwant to go lower but dont know what to do since i just spent money on these. But besides that the springs work great and the rear looks awsome.

      SaulP

      Year: 2004 Submodel: V6

      Helpful (6)

    • 5/5

      Installation Time: Less than 1 Hour

      May 04, 2018

      94 SN95

      What a difference. Lowered looks fantastic, the ride is sporty but the handling is way better. The car feels and drives totally different. I would recommend these springs

      KevinW

      Year: 1994 Submodel: GT

      Helpful (3)

    • 5/5

      Installation Time: Full Day

      April 19, 2018

      Stang go low!

      Great spring for lowering your car would highly recommend

      Sierra

      Year: 2001 Submodel: V6

      Helpful (2)

    • 5/5

      Installation Time: Afternoon

      April 11, 2018

      Super drop

      These 1 3/4 inch front and 1 1/2 inch rear lowering springs are awesome. Gave my stang an awesome stance. Looks low and aggressive and rides awesome. Thanks AM.

      JosephP

      Year: 1994 Submodel: GT

      Helpful (3)

    • 5/5

      April 07, 2018

      Perfect

      An unbelievable difference in ride height and appearance! Definitely the right choice for the look I wanted

      DonJ

      Year: 2000 Submodel: GT

      Helpful (3)

    • 5/5

      Installation Time: Afternoon

      April 04, 2018

      great!

      Great product, perfect lowered stance, I would definately recommend these over some other brands

      CoryB

      Year: 2001 Submodel: GT

      Helpful (5)

    • 5/5

      Installation Time: Afternoon

      March 16, 2018

      Good drop

      Decent drop, decent ride quality. Easy to install. Must buy

      StevenB

      Year: 2002 Submodel: GT

      Helpful (4)

    • 4/5

      Installation Time: Afternoon

      March 14, 2018

      eibach springs

      I got this for my mustang they lowered my mustang just the way wanted but I have a problem right now one side is higher than my driver side I don't know if I need to let it settle...

      DanielR

      Year: 2004 Submodel: GT

      Helpful (8)

    • 5/5

      Installation Time: Afternoon

      March 13, 2018

      Nice

      They were overall pretty easy to install and it looks great and handles great couldn’t be happier!

      MichaelD

      Year: 1992 Submodel: LX

      Helpful (3)

    • 5/5

      Installation Time: Full Day

      February 18, 2018

      Great look!

      My mustang sat just a little higher in the front so I chose the sportline because I’ve had eibachs before and these dropped the front 1.7 inches and the back 1.5. My mustang now sits at the perfect ride height and looks like a muscle mustang. Stiffer ride but not overly so and the appearance is second to none. I also replaced the shocks and struts at the same time to take care of it all at one shot. Never more pleased with a purchase, got just what I wanted

      WayneW

      Year: 2001 Submodel: GT

      Helpful (6)

    • 4/5

      Installation Time: Shop Install

      Installation Cost: $100-$250

      February 15, 2018

      Great spring

      Got the ride height I was looking for, with a reasonable price tag. Stiff ride which is to be expected, very satisfied with the springs, it completely changed the look of my car.

      MustangMitch

      Year: 2003 Submodel: GT

      Helpful (2)

    • 5/5

      Installation Time: Afternoon

      January 25, 2018

      Good

      Good good good good i like i like good good good i like

      Misael

      Year: 2001 Submodel: V6

      Helpful (3)

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