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SR Performance Progressive Lowering Springs - Coupe (79-04 All, Excluding 99-04 Cobra)

Market Price $199.99 You Save 20% ($40.00)
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  • Item 53150
  • MPN# 53150

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    Features, Videos & Details

    • Sleek Muscle Car Stance
    • Lowers Center of Gravity for Improved Handling
    • Progressive Spring Rate
    • Blue Finish
    • Estimated Drop: Front - 1.5", Rear - 1.5"
    • Clears Stock and Aftermarket Wheels & Tires
    • Professional Installation Recommended
    • Sold as a Set of 4 Springs
    • Fits 1979-2004 Mustang Coupes, Excludes IRS Equipped Cobras

    Review & Installation Video

    I’m Justin from AmericanMuscle.com, and this is our handling bolt-on build-up for all ’99-‘04 Mustang GTs. The goal with this build is pretty simple, we’re looking to take some basic suspension components, install them on our 2000 GT here, in an effort to make it handle a lot better than it does now in stock form. Now, individually, installed each of these parts will make a slight difference in your car’s handling. However, when installed together, like we’re going to do today, they should make a substantial difference in our cars’ handling and should make our GT handle like it’s on rails. First up on the list to install is this black strut tower brace that we have laid into place, just so we can see how it’s going to sit. Now this is a very popular first step for making your car handle a little bit better, and it’s going to be pretty easy on your wallet as well. Now basically, this is going to firm up the front end and reduce chassis flex and body roll. I have to admit, that black powder coated finish is going to look pretty cool under the hood as well. The next mod we’re going to go with for our handling pack is a set of these QA1 Caster Camber Plates. These are going to be very valuable for getting our GT’s alignment back in spec after we lower the car. A properly set up alignment will not only help your cars handling, but it’s also going to save your tires from premature wear. Speaking of lowering the car, what suspension build would be complete without a set of lowering springs. We’re going to install a set of these SR Performance lowering springs which will lower our GT roughly an inch and a half or so on all four corners. Not only will this help our ride handle a lot better thanks to that lower center of gravity, but it’s also going to help our appearance as well by getting rid of that ugly wheel gap. Last and certainly not least are these front and rear sway bars from Eibach, sway bars are one of the biggest factors to reduce body roll and are a great tool for fine tuning your suspension. From the factory most Mustangs have the tendency to plow or push through turns, this is referred to as under steer. By installing a larger rear sway bar and tweaking the front, you’re actually going to eliminate that under steer and introduce a little bit of over steer, which means the rear of the car is going to come through the turns much quicker, and actually make the car a little bit more fun to drive. So those are the parts we have in store for our GT here today, now let’s get everything installed so I can get our GT out of the ‘shop and onto the streets, and see the difference this handling pack makes. Alright so I just got our 2000 GT out of the ‘shop and onto the street here, and it took me all of 5 seconds the realize what a difference this handling pack makes to our ride. Gone is the kind of floaty, disconnected feeling that our Mustang used to have, and it actually now feels like a sports car, it feels like it should - much more firm, much more planted, even going straight, obviously through the turns it’s a lot better as well. The car just feels like it wants to respond to your actions a lot more, making it feel like you’re actually part of the car, which is great, and you can just slide turn to turn, going straight here like I said, the car just reacts well to whatever you want to do to it. We have a nice right hander coming up, let’s see how the car reacts with our new mods installed. All right, so much better, the car is just so firm and so planted going through those turns, that can definitely be attributed to those sway bars working with that SR Performance strut tower brace to really reduce our body roll and our chassis flex. I got a nice left hander coming up as well. Oh yeah, you can totally come into a turn now with much more speed and much more confidence going through the turns. The nice thing about the springs too, obviously they lower the car making it look a lot better and handle a lot better, but it’s also better for acceleration and our braking. The car doesn’t want to nose down now when you’re hard on the brakes coming into a turn, making it feel a lot more solid. Those QA1 Caster Camber plates are probably not going to make the biggest difference in your everyday drive however it was able to get our car back into spec after we lowered it about an inch and a half, just so we didn’t chew up our tires and made for a lot better handling. So there you have it, this handling pack really made a world of difference on our GT and really made our car a lot more fun to drive. Be sure to check out some of our other ’99-’04 bolt-on build ups where we work on our appearance, help get our GT off the line, and give it some more power.

    Improves Handling. Installing a set of SR Performance Progressive Rate Lowering Springs on your Mustang is an inexpensive way to improve its handling performance. These Springs were engineered to lower your Mustang's center of gravity, which will helps to reduce squat during rapid acceleration, body roll in the corners, and excessive nose-dive under hard braking. SR Performance Springs are great for daily driving, street, and even occasional track use.

    Sleek Lowered Stance. A set of SR Performance Springs not only improve the handling performance of your Mustang, but they also improve its overall appearance. By lowering the ride height approximately 1.5" front and rear, that huge tire to fender gap is eliminated. These Springs will provide your Mustang with a sleek, muscular stance that will be sure to get you noticed on the street and at the track.

    Progressive Design. Progressive springs (also known as variable rate springs) are designed to be more compliant when riding over rough and uneven surfaces like public roads. Progressive springs are engineered with a low starting spring rate that increases as the spring compresses. Variable rate compression allows for a smoother ride, while still providing good handling characteristics when pushed hard. This makes progressive rate springs a popular choice for daily street driven Mustangs. 525 lb/in - Front; 250 lb/in - Rear

    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.

    Professional Installation Recommended. Seeing that a spring compressor is required for installation of these Lowering Springs, AmericanMuscle recommends professional installment. With the proper tools, the install can be completed in about three hours. Please note that an alignment is highly recommended after installation.

    Recommended Upgrade. When installing new Springs on your Mustang, you should also replace your old worn out rubber Spring Isolators with a new set of Polyurethane Spring Isolators at the same time, see ordering options above.

    Application. This set of four SR Performance Progressive Lowering Springs are specifically designed for use on 1979-2004 Ford Mustang coupes, including the LX 5.0, V6, GT, Bullitt, Mach 1, and 1993-1998 SVT Cobra models. Does not fit 1999-2004 IRS-equipped SVT Cobras.

    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
    Installation Info
    Tech Specs
    Springs Specifications
    Spring Rate: Front: 525 lb/in
    Rear: 250 lb/in
    Usage: Street
    Year: 1979-2004 GT, V6, Mach 1, 1993-1998 SVT Cobra Model: Fastback/Coupe
    Progressive or Standard: Progressive Estimated Drop:

    1.5"F / 1.5" R

    Will it fit my Mustang?
    • Bullitt - 01
    • Cobra - 93, 94, 95, 96, 97, 98
    • Cobra R - 93, 95, 00
    • 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 - 94, 95, 96, 97, 98, 99, 00, 01, 02, 03, 04

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

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    69 Questions / 18 Answers

    Ask a Question

    will this cause my car to scrape? will the drop with these springs cause my 02 GT to scrape on speed bumps and such?

    kahillcs

    • 1 .5" inch drop most of the time isnt enough of a drop for everyday driving and most speed bumps.things like tire size, ground effects play a part also whether your car will rub or not. most bumps are 6" tall or shorter, measure the lowest place under your car,then take an extra 1.5 " off that and you will have your answer. good luck,pappy

      PAPPY

    Show 4 more answers Helpful (16)

    actual drop? How much will these springs actually lower a 98 cobra? Most of the time it seems springs lower less the advertised.

    98babsvt

    • it will take a little time to settle once installed but they will drop to there advertived specs.

      LloydC

    Show 4 more answers Helpful (6)

    What is gained by getting the more expensive springs These SR Performance Lowering Springs #53150 Look like what I want at a good price. I was just wondering what is gained by purchasing a set of the more expensive lowering springs. I am thinking about with regards to ride mostly. Do you get a softer ride when you spend more money? I would be installing them on my 98 SVT Cobra Convertible Mustang mostly for the looks and don't want to have it riding like a chuck-wagon. I look forward to your input. Fred Wagner

    stang289hipo

    • I installed mine on my 03 GT. Theyre a progressive spring so they're soft when you're cruising and stiffen up under pressure from what I understand. Great for a DD, but I have no idea how long they'll last.

      Noah

    Show 2 more answers Helpful (5)

    Will the drop differ on a convertible? If so by how much, would the drop still be 1.5?

    JessieA

    • This kit is designed specifically for the coupes due to how the weight distribution and suspension is setup, these springs have a lighter spring rate than that of the convertibles due to the convertible models being heavier than their coupe counterparts. The drop on this kit if used on a convertible would increase by about .1-.15 inches because of the softer rate, also, the ride quality will be effected because of this.

      AMjordan

    Helpful (2)

    Will these fit on the base model 1995 V6 Mustang?

    Techie

    • These springs will fit a V6, but the spring rates were specifically designed for the extra weight of the V8. While you can install these on a V6 no problem, you're not going to get as big of a drop as you will on a V8.

      LisaS

    Show 2 more answers Helpful (2)

    Is it necessary to install Caster/Camber plates or can i get by without on a drop of 1.5"

    Ben03mach

    • It is not necessary to install the caster camber plates no. However, without them you are most likely going to have a bad tire alignment.

      Ricky36

    Helpful (1)

    People Who Bought This Item Also Bought

    Customer Reviews (100+) Write a Review

    Overall Rating 4.6

    out of 5 stars

    Installation Time:Afternoon

    Installation Cost:$100-$250

    • Handling Improvement 4.510274 4.5
    • Ride Quality 4.406143 4.4
    • Appearance 4.665529 4.7
    • Bang For Your Buck 4.773973 4.8



    • 4/5

      Installation Time: Less than 1 Hour

      May 19, 2018

      Good for price

      If you want the lowest drop possible for lowering springs, these are NOT it. Eibach springs are much better but are a lot more expensive. These gave me like a 1 1/2 inch drop but you can get close to a 2 inch drop with the eibachs

      AngelR

      Year: 2001 Submodel: GT

      Helpful (1)

    • 5/5

      Installation Time: Full Day

      May 17, 2018

      Great modification

      I have had my original shocks/struts and springs on my car since I bought it 15 years ago. Needless to say I needed new ones. Both front springs were broken. The drop is awesome, really takes away the wheel gap. The back does drop a little more on them compared to the front with the convertible. Overall, I am very happy with the ride paired with the SR shocks and struts. Installed by myself so it took a little longer (also this is the first time ive done this type of work so it was a learning process, but defiantly doable if you have the tools and know how. Plenty of videos out there with instructions)

      Brad

      Year: 2003 Submodel: GT

      Helpful (1)

    • 5/5

      Installation Time: Afternoon

      May 12, 2018

      Spring drop

      Just overall a great product, took a while to install in the front on my 03 mustang but it had enough drop for me. Had to roll my fenders a few days later. Handling was wayyyy better then the stock of course

      AndrewB

      Year: 2003 Submodel: V6

      Helpful (0)

    • 1/5

      Installation Time: Afternoon

      May 11, 2018

      Raising Springs

      I wouldn't say these springs lower your car. I installed these on my sons 2003 V6 mustang and the stance is now 1" higher. AM Customer Service said it will take two weeks to settle and after 2 weeks of driving they have settled down some but is still higher than original. I sure hope they continue to lower. Car currently looks worse than before.

      DavidH

      Year: 2003 Submodel: V6

      Helpful (0)

    • 5/5

      Installation Time: Afternoon

      May 11, 2018

      SR Performance Lowering Springs

      Easy install and lowered it just right. Handles and rides much better than stock springs.

      KenO

      Helpful (0)

    • 5/5

      Installation Time: Afternoon

      May 10, 2018

      Great value

      I've had many different brands of springs on several SN95 cars but these are one of my favorites. Soft ride with a nice lowered look. Plus, you don't have to spend a fortune. I used these with a set of KYB shock and struts and ride quality is top notch.

      Mark

      Year: 1997 Submodel: GT

      Helpful (0)

    • 5/5

      May 02, 2018

      Sr lowering springs

      The product came fast and on time, properly packaged and the product appeared of great quality. I wasn’t able to install them because I found out I already had a set of these on my car after I ordered them! They ride great and look great as well. I’d highly recommend.

      ZackB

      Year: 2000 Submodel: GT

      Helpful (0)

    • 4/5

      Installation Time: Less than 1 Hour

      May 01, 2018

      Good price Good proformance

      I bought these for my 84 that had oem springs made a world of difference car use to bottom out and hit alot now no problems plus feels great on turns and perfect for a daily only thing is there not as low as i would like but worth it.

      Edward302

      Year: 1984 Submodel: Other

      Helpful (1)

    • 5/5

      Installation Time: Afternoon

      May 01, 2018

      SR Springs

      Easy install and it got here really fast these are perfect if you need an upgrade

      CarGuy

      Year: 2000 Submodel: V6

      Helpful (1)

    • 5/5

      Installation Time: Afternoon

      April 28, 2018

      Lowering springs for my foxbody

      I have owned 3 or 4 foxbodys over the years and always shied away from lowering my cars do to seeing other friends doing it and losing a comfortable ride or having to watch every pothole and driveway . Well I installed the SR springs with the maximum motorsports install tool (the only way you will install the front springs) and my car sits perfect. ride comfort just a little rougher but not anything major. But the handling aspect was much improved. I also replaced lower ball joints and control arm bushings.

      MarkS

      Year: 1993 Submodel: GT

      Helpful (0)

    • 5/5

      Installation Time: Afternoon

      April 24, 2018

      Great value

      Fit perfectly and gives and great stance to my fox body.

      ElDuderino

      Year: 1993 Submodel: LX

      Helpful (0)

    • 5/5

      Installation Time: Full Day

      April 16, 2018

      Great spring great price

      The product it self seems very sturdy and is a great replacement part for stock. The only problem I had was the install was a little harder than it seemed to be online. They helped give my car a more aggressive stance.

      Ethangordo

      Year: 2000 Submodel: V6

      Helpful (0)

    • 4/5

      Installation Time: Afternoon

      April 13, 2018

      Good ride for lowering springs

      I recently installed these SR springs. I have had other brands in the past but bought these mainly because of the price and reviews. I was surprised. They ride better than my stock springs and look great. Best bang for your buck

      Persto

      Year: 2000 Submodel: GT

      Helpful (0)

    • 5/5

      Installation Time: Shop Install

      Installation Cost: $100-$250

      April 07, 2018

      A must

      First thing that needs to go in a 99-04 mustang is that ugly wheel gap. These springs fixed that and improved the driving quality.

      Carlos

      Year: 2000 Submodel: GT

      Helpful (0)

    • 5/5

      Installation Time: Afternoon

      April 04, 2018

      My 95 mustang gt

      My car looked like a 4x4 but with this springs now looks awsome

      saulmon

      Year: 1995 Submodel: GT

      Helpful (0)

    • 5/5

      April 04, 2018

      Lowering springs

      Great, fast shipping, looks great lowered the car and it looks great

      JoeT

      Year: 2002 Submodel: GT

      Helpful (0)

    • 5/5

      Installation Time: Shop Install

      Installation Cost: $250-$500

      April 03, 2018

      SR Springs are an amazing value

      Before I start, if you are looking for a significant drop and a serious increase in spring rates for track use, stop reading and buy something else. This review is genuinely written for anyone considering these springs for street and causual track use. Something to consider is that from 79-04 Mustangs came with many different spring rates, some were linear and some progressive. My review pertains to a 99-04 GT which to my knowledge came with linear springs that were among the stiffest ones used on a 79-04 GT. If you have always wanted a little drop but didn’t want lose the stock ride quality I can say these springs when used with the SR poly isolators do not degrade ride quality, I believe they actually ride better than the stock 99-04 GT springs. I did not need caster/camber plates my mechanic is extremely skilled and was able to dial it in, obviously all cars vary and many factors like was the car in an accident can often make caster/camber plates a nessesity. This is also assuming all your other components are in good order. Naturally if your shocks/struts are shot or have high milage your Mustang will ride like a tank with any spring. My car has SLP long tube headers and matching high flow catted x pipe, with Pypes Violators, all from AM. I have no issues scraping, even over speed bumps. Keep in mind my exhaust was installed by an expert mechanic, so results may vary there. On the other hand I have seen people with 99-04 GT’s on stock springs that do not have long tubes and yet they put an aftermarket cat back and they drag on every big bump and can’t go over speed bumps. If you are like me and had the original springs on your car they are likely cracked and you don’t know it. My adventure began when I started restoring my 1999 GT last year, which I owned since new. The first thing I did was replace the shocks, struts, and quad shocks. I chose to go with stock replacement style Gabriel Ultra units and got new poly strut bushings because I wanted to keep a good ride quality, stay cheap and planed to keep stock springs. Yet, when my mechanic did the job he said my springs were in rough shape with what looked like a few hairline cracks in them. So, it was too late to go back and buy better performance shocks and struts from AM. The new shocks/struts helped my Mustang a little but it still rode like a tank. I had looked into buying new stock springs but for the price it made no sense. I had always wanted a drop anyway so I took the dive and chose these based on reviews and the fact that the mild drop with only a slight rate increase should work well with my stock replacement style shocks. Well it did just the trick, and it was my 19 year old springs that where giving me the terrible ride and the Gabriel Ultras seem to be well paired with these springs. The only question is how will the Gabriels stand up to the drop springs. Next I added the SR Anti Sway Bar kit to replace my tired rusted 19 year old sway bars. I highly reccomend this upgrade with the springs and new performance shocks/struts, and my Muscle car now handles twisties like sports car thanks to them, the difference is night and day. Even in parking lots you feel the benefits of the performance sway bars and springs when doing quick maneuvers. Finally, I finished it off with a front and rear SR shock/strut tower braces from AM. I can’t say this makes a noticeable difference in handeling but the braces stiifened up the car noticeably and removed squeaks that I have had since new, while seeming to help the car feel more composed over bumps. Next up, sub frame connectors and a built rear with gears and sticky tires. Looking back, I wish I had just bought performance aftermarket shocks/struts and caster/camber plates for maximum longevity, adjustabillity and peace of mind. I would reccomend this but if you are like me on a tight budget for whatever reason you can get amazing results frim these springs with stock style shicks/struts and no CC plates, my car is living proof of this.

      AllanN

      Year: 1999 Submodel: GT

      Helpful (5)

    • 5/5

      March 31, 2018

      Always Satisfied

      My pony was sitting stick high and wanted to lower it and give it a better look . Totally satisfied. Rides great and can hit the turns a whole. Lot better. Thanks AM

      MustangRanger

      Year: 2004 Submodel: GT

      Helpful (1)

    • 4/5

      Installation Time: Afternoon

      March 31, 2018

      Springs

      A big difference in the look! Front of car went way down but the back doesn't look too much different. Anyone else have this? My 94 looks awesome but just wondering about that

      WilliamJ

      Year: 1994 Submodel: GT

      Helpful (0)

    • 5/5

      Installation Time: Full Day

      March 30, 2018

      Loved the lowering springs!

      Great quality springs and makes the look of the car awesome! It just sets the car off. I would recommend these to all new edge owners for daily deriving, not to low just right.

      BradleyM

      Year: 2003 Submodel: V6

      Helpful (0)

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