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SR Performance Caster Camber Plate & Lowering Spring Kit (94-04 GT, Mach 1, 94-98 Cobra)

Market Price $369.99 You Save 18% ($65.01)
Our Price

$304.98 (kit)

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  • Item 99707
  • MPN# 99707

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Features, Videos & Details

  • Aggressive Lowered Stance
  • Improves Steering and Handling
  • Estimated Drop: Front - 1.5” Rear - 1.5”
  • Includes SR Performance Lowering Springs and Caster Camber Plates
  • Fits 1994-2004 V8 Coupes, Excludes IRS Equipped Cobras
  • Clears Stock and Aftermarket Wheels & Tires.

Review & Installation Video

Hi I’m Justin with, and I’m taking a closer look at the SR Performance Caster/Camber plates, fitting all 94-04 Mustangs. If you’re thinking about lowering your car, then your alignment might be a potential issue, depending on how low you go, you may not be able to get your car back into factory specs, without the help of something like these plates from SR Performance. This kit allows you to properly dial in both your Camber and your Caster, which are two of the biggest areas that get affected whenever you lower your car. Without addressing this, your car will not only handle poorly, but you’ll also chew through tires much faster due to improper wear. Taking a closer look at the plates themselves you’ll immediately notice the quality construction, these plates have been CNC’d from a single block of Billet aluminum for superior strength, and although not quite as important, they’ve also been finished off with a very attractive satin finish, which is sure to look sharp under the hood. The install is a little time consuming and will involve you pulling the strut arm down the get the strut out of the strut tower. Although this can be done using some basic tools and a floor jack, expect to spend about 3-4 hours completing the job. So if you’re looking for an affordable way to get your alignment back in check after lowering your car, then you’ll want to check out SR Performance Caster/Camber plates, available right here at

SR Performance Lowering Springs. Installing a set of SR Performance Standard Rate Springs will lower your Mustang's center of gravity, which will reduce squat during acceleration, body roll in the corners, and excessive nose-dive under hard braking. These springs not only improve handling, but they also improve the appearance of your Pony by lowering the ride height approximately 1.5" to eliminate that ugly "4x4" tire to fender gap, for a more aggressive street stance.

SR Performance Caster Camber Plates. After installing a set of SR Performance Springs on your Mustang you will need a proper front end alignment. SR Performance caster camber plates will allow you to fine tune your Mustangs front end geometry to prevent premature tire wear while improving steering input and response, turning your Pony into a real corner carver.

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 SR Performance Caster Camber Plate & Lowering Spring Kit is designed for use on the 1994 to 2004 V8 Ford Mustang Coupes, including the GT, Bullitt, Mach 1, and 1994-1998 SVT Cobra models. Does not fit 1999-2004 IRS-equipped SVT Cobras.

Fitment: 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 Details

What's in the Box
  • (2) Caster Camber Plates
  • (4) Lowering Springs
Installation Info
Tech Specs
Spring Rate: Front: 525 lb/in.
Rear: 250 lb/in.
Usage: Street
Year: 1994-2004 Model: All V8 Coupes; except IRS Cobra's
Progressive or Standard: Standard Estimated Drop: 1.5"F / 1.5" R
Will it fit my Mustang?
  • Bullitt - 01
  • Mach 1 - 03, 04
  • Cobra - 94, 95, 96, 97, 98
  • GT - 94, 95, 96, 97, 98, 99, 00, 01, 02, 03, 04

Fits V8 coupes only, excludes IRS equipped Cobras

People Who Bought This Item Also Bought

Most Helpful Reviews


Looks great, Saves tires, easy install, and fast shipping thanks american muscle

Helpful (1)

Perfect for everyday driver!

Lowers it just the right amount without being too aggressive. Handles well but does not sacrifice drive quality. I also installed the staggered 03/04 Cobra rims and with this kit it looks amazing!!!!

Helpful (2)

Overall Rating 4.6 out of 5 stars
Read All 23 Reviews

Customer Photos (11) Submit Your Photo

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3 Questions / 3 Answers

Ask a Question

do you need to drill in the strut tower


Helpful (0)
  • You should not need to drill into the strut tower for this install.


I have a set of 245/45/20 on a 99 convertible will these fit


Helpful (0)
  • The SR Performance Caster Camber Plate & Lowering Spring Kit (94-04 GT, Mach 1, 94-98 Cobra) will fit on your car. We gaurentee up to a 2" drop with no rubbing.


Is there any need to change shocks or struts when installing this kit?.


Helpful (0)
  • The SR Performance Caster Camber Plate & Lowering Spring Kit will not require new shocks or struts, however, if your existing shocks and struts are worn, or may need to be replaced in the near future, we highly recommend replacing them, while they are uninstalled from the vehicle.


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Customer Reviews (23) Write a Review

Overall Rating 4.6

out of 5 stars

Installation Time:Afternoon

Installation Cost:$250-$500

  • Handling Improvement 4.285714 4.3
  • Ride Quality 4.523809 4.5
  • Appearance 4.857143 4.9
  • Bang For Your Buck 4.7 4.7

  • 5/5

    Installation Time: Afternoon

    October 18, 2013


    Looks great, Saves tires, easy install, and fast shipping thanks american muscle


    Year: 1998 Submodel: GT Dallas, TX, USA

    Helpful (1)

  • 5/5

    Installation Time: Afternoon

    September 29, 2013

    Perfect for everyday driver!

    Lowers it just the right amount without being too aggressive. Handles well but does not sacrifice drive quality. I also installed the staggered 03/04 Cobra rims and with this kit it looks amazing!!!!


    Year: 2002 Submodel: GT Pac Northwest

    Helpful (2)

  • 4/5

    Installation Time: Afternoon

    August 21, 2015




    Year: 2001 Submodel: GT Perth Amboy, NJ

    Helpful (1)

  • 5/5

    October 18, 2014

    Great look!

    Love the look my mustang has gained from this product, install was easy, quality is top notch, I would buy again if I had too


    Year: 2004 Submodel: GT Slatington, PA, USA

    Helpful (1)

  • 4/5

    Installation Time: Weekend

    October 23, 2013

    SR Springs and CC Plates

    Install time is not accurate as they were installed with many other parts. Springs were fairly easy to install, especially the rears and ride quality is firm like I wanted. I used replacement ISOs along with the spacers that came with the Steeda Balljoint kit. The drop wasn't dramatic as Bullitts sit 3/4" lower than factory GTs from the factory. The caster camber plates were simple to install and made an incredible difference when it came to aligning the car. Overall, I recommend this product to anyone wanting to replace their springs and factory strut mounts. Best bang for your buck!


    Year: 2001 Submodel: Bullitt Topeka, KS, USA

    Helpful (1)

  • 5/5

    Installation Time: Afternoon

    October 22, 2013

    Great Product

    My 2003 GT has noticeably better handling, and the springs removed that wheel well space. The car now looks more streamlined and feels great.


    Year: 2003 Submodel: GT

    Helpful (1)

  • 5/5

    Installation Time: Afternoon

    August 26, 2013

    Perfect fix to raise your ride.

    My 1996 Mustang GT had been lowered by the previous owner by heating the springs. Well the country roads of Ky don't treat a car that sits that low well. The replacement springs were an easy install and fixed the problem. American Muscle was fast with th shipping and the product was well worth the price. Thanks for supplying great quality items.


    Year: 1996 Submodel: GT Campbellsville,Ky

    Helpful (1)

  • 5/5

    Installation Time: Afternoon

    December 12, 2013

    Fronts only so far...

    Dropped the fronts first due to Mickey Thompson's in the rear (big fat tire). Great price for what's described. I attempted rear install but could not lift the Mach high enough for install. Need to do a Jack Stand dance to lift the rear high enough for control arm. Great product and body dropped front end 1.5 inches as stated.


    Year: 2004 Submodel: Mach 1 Naples, Fl

    Helpful (1)

  • 2/5

    Installation Time: Less than 1 Hour

    November 25, 2015

    Know what you want from your car and make better purchasing decisions!

    I write this because I was looking to make my car look and perform better than stock. I love American Muscle and the videos that they put out, and this is the one product that I say I wasn't really happy with. At the time of my purchase I wasn't able to write a review for: 1- Took some time before I got the springs installed 2-When I had it installed, I tried to write a review on this but the system would not allow it for some reason. So here I am, back again to hopefully help others out there in making a good purchasing decision. My question is: What do you want out of your car? Is this a track car? Weekend warrior? Daily driver? After determining that, then you'll find out on where you want to go from there as in terms of suspension. This car for me is basically all of the above and when it came time to suspension I had to choose whether to go with springs or coilovers. From watching the videos on American Muscle I came to the conclusion that I wanted a balance, something that rode smoothly and nicely but could perform as well on the track and through the canyon roads, not to mention being easy on the wallet. My experience after having driven on the springs so far have not been so well, in fact I wish that I could've kept my stock suspension setup as it felt better in terms of ride quality. Handling it's a bit more stable but it requires more work and more parts for it to be perfect. Something that people may overlook is that once you start changing the suspension geometry you have to change everything in order to get it right. So a mod that you think will solve one thing will only lead to others until you address them all, emptying out your wallet. So after the install of the springs and camber plates I took the car out to the track many times to drift and I felt like the car is now more boaty than being on the stock springs. The car sways and pitches more violently and I'm pretty sure that I need better struts that are suited for the spring weight. But at that point though I might as well have gone straight for the coilover setup as after you buy the springs and struts-it could've just been coilover money. The struts I have now are just the regular KYB struts that are probably and most likely just the OEM spec replacements and not suited for lowering springs. Not only with the even boatier issue that I'm experiencing, steering is harder is more work now, I've had the car aligned many times and I'm always finding that the car wants to wander. Say it'll pull to the left, I take it in for an alignment then pulls right. But I feel like I'm working out my arms trying to steer the car, it's not smooth at all and I have changed out the ball joints. (I'll be seeing about doing a power steering flush to see if it might help) With the lowered stance, while it definitely got rid of the wheel gap and improved the look, I also got rear end wobble. It's as if the rear is shaking its tooshy and it's more apparent at freeway speeds. Again, having lowered the car it had altered the suspension geometry so now I have to buy more things to correct it. All I wanted was a lowered ride height and slightly better handling as it had stated, but now I'm wishing that I was back on the stock suspension setup and just saved my money. Not only is the car my daily driver but when I have fun with it I take it out to the track for drifting so that's how I'm writing this review. What I learned from this is before I go into any sort of modding, I have to decide on the car's purpose. Ultimately I did not want to ride quality to go down but I wanted the lower the stance to get rid of the wheel gap, I just wanted to get rid of that wheel gap and handling was just a bonus. But driving the car day in and day out with the way it is now, I would've just dealt with the wheel gap had I known that this was the way it felt unless you spent more money to correct the issue. You notice every major bump or crack in the road and I can't believe that I'm having bumper scraping issues. So figure out what you want from the car, and if money is no issue then by all means go ahead and get the springs, because you'll most likely be able to afford all the other suspension tidbits. But if money is an issue, then I suggest you really evaluate your need to purchase this set as this will only be the start of your suspension modding money spending journey. This review is doing everything by the book and also having purchased and done what American Muscle recommends with this kit. Purchasing the kit, the spring isolators and sleeve, getting an alignment.


    Year: 1999 Submodel: GT Los Angeles, CA

    Helpful (0)

  • 5/5

    Installation Time: Afternoon

    May 16, 2013

    Definitely worth the money

    First time buying and installing spring ever and it wasn't too hard. The caster camber plates make getting my alignment back to spec a breeze. Definite bang for your buck. The springs are quality along with the plates. The 1.5inch drop on all four wheels gave my car a very aggressive stance. If your looking for an appearance mod that offers great improvement in ride quality this combo package is the way to go.


    Year: 1997 Submodel: GT West Memphis, AR, USA

    Helpful (0)

  • 3/5

    Installation Time: Afternoon

    May 08, 2013


    First off spend the extra money on better caster camber plates. After my install, I have a bad banging coming from front right corner. Took it back to my front end shop that did the alignment an we found that the cc plate is not tight inside the shocket which is a part u can not fix or tighten. Now im out 75 buck on the alignment because its gonna have to get done all over once I get better cc plates. I do like the springs that came with them. Rides good, looks better than stock. Not too low but makes u wonder if it has heen dropped. Overall u get what u pay stop being so tight! I've learned enough.


    Year: 2004 Submodel: Mach 1

    Helpful (0)

    • Response from AmericanMuscle

      We haven't had issue with these caster camber plates in the past, which leads me to believe you may have received a defective set unfortunately. We can certainly send out a replacement - please give us a call so that we can get this taken care of quickly for you!

      Lisa , Customer Care

  • 5/5

    Installation Time: Less than 1 Hour

    February 08, 2017

    Awesome Stance

    The camber kit made a big difference. Underneath the hood they look clean and it's easy to adjust. Just a few screws to unloosen and adjust your camber. They help provide my Mustang with the stance that I wanted.


    Year: 1996 Submodel: GT

    Helpful (0)

  • 4/5

    Installation Time: Afternoon

    January 02, 2017

    SR lowering kit

    I had a shop do it for me. My Mach is sitting just right but could be a lil lower but for now it's good enough. Later on I might get air ride or adjustable


    Year: 2004 Submodel: Mach 1

    Helpful (0)

  • 4/5

    August 07, 2016

    SR Performance Springs

    Just had these installed on my 04 Mach. The ride is nice and compliant and feels pretty much like the stock springs with not much body roll. However I had measured the space between fender and tire and surmised that the 1.5in drop from these springs would be ideal. Once they were on the car the drop was closer to 3/4 of an inch. It looked a lot better than stock, but didn't really look lowered. Being a more seasoned driver, I'm actually happy with this medium drop.


    Year: 2004 Submodel: Mach 1

    Helpful (0)

  • 5/5

    July 19, 2016

    Customer Service

    The parts are quality: SR. What I'm impressed with is the service. I ordered the camber plates separate before discovering this package. I called and asked if I could pay the difference to upgrade; AM came through!


    Year: 1995 Submodel: GT

    Helpful (0)

  • 5/5

    Installation Time: Full Day

    June 14, 2016

    Lowering springs

    The lowering springs are with the money it gets rid of allot of wheel gap. The steering is much tighter in the car now good investment


    Year: 2000 Submodel: GT

    Helpful (0)

  • 5/5

    Installation Time: Afternoon

    March 21, 2016

    Lowering springs

    Very nice high quality and nice rubber coating easy to install fronts a little harder caster plates are a must very easy to install and look really nice with polished finish


    Year: 1998 Submodel: GT

    Helpful (0)

  • 5/5

    Installation Time: Afternoon

    February 23, 2015

    Great buy

    The only reason that this kit didn't get 5 stars in the handiling improvement catagory is because I haven't taken it to a track yet to push it to the limits. It looks great and is only slightly firmer then factory. Install was very straight forward and simple but the only reference I had for questions was the video on this website. Luckily my buddy and I are handy enough with a wrench to have figured it out. Love them and without a doubt would recommend them.


    Year: 1998 Submodel: GT Goreville, IL

    Helpful (0)

  • 5/5

    Installation Time: Shop Install

    Installation Cost: $250-$500

    May 09, 2014

    Highly recommend!

    I read all the reviews on how great this kit is, and they are all absolutely correct. I have '96 Cobra vert. Lowered front end 2 inches and rear 1.75 inches. Looks and rides they way it should have come from the factory! Highly recommend.


    Year: 1996 Submodel: Cobra Hampstead, NH, USA

    Helpful (0)

  • 5/5

    Installation Time: Afternoon

    April 04, 2014

    Nice ride quality not to stiff

    There good springs look nice good packaging id do the shocks and struts to so your not bottoming out on speed bumps and so your long tube headers don't get beat up to much and the camber plates look great under your hood and function like they should


    Year: 1994 Submodel: GT San Antonio

    Helpful (0)

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