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SR Performance Adjustable Front & Rear Sway Bars (15-19 All)

AmericanMuscle no longer carries the SR Performance Adjustable Front & Rear Sway Bars (15-19 All). Please check out 2015-2019 Mustang Sway Bars & Anti-Roll Kits for an updated selection.
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  • Item 393410

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    Features, Video & Details

    • Improves Handling Performance
    • Eliminates Body Roll
    • Ideal for Street and Track
    • Includes Front and Rear Sway Bars
    • Front and Rear Bars are Both 3 Way-Adjustable
    • Front Bar: 35mm (1-3/8") Diameter - Solid
    • Rear Bar: 25mm (63/64") Diameter - Solid
    • Durable Black Powder Coat Finish
    • Made in the USA
    • Fits all 2015 to 2019 Mustangs

    Review & Installation Video

    Review & Install Video

    Hey guys. Stephanie with here with the SR Performance Sway Bar Kit for 2015 and up S550 Mustangs. In this video we're gonna be discussing a few different things with this sway bar kit, but mostly we'll be talking about the materials and construction of the sway bars and the install. I'll get more into the install later, but I'll tell you right now that this is an easy install. I'm gonna call it a one out of three wrenches on the difficulty meter. The SR Performance Sway Bar Kit is gonna be a good option for someone that's looking to improve their handling for their S550 with one purchase that's also budget friendly. Sway bars have a big impact on the handling of the S550 or any Mustang, and so they tend to be one of the most cost effective handling upgrades. They provide a lot of benefits such as less body roll for better all around handling, which is great news for the S550 chassis. And they aren't as expensive as other suspension rods. The way sway bars work isn't complicated. During normal driving and cornering the suspension is gonna compress and decompress. The sway bar counteracts this compression and decompression. The weight transfer during cornering creates a twisting force in the sway bar, so the sway bar creates a lifting force of the outside control arm in order to give you a flatter handling experience. There are a few things that affect how much an impact a sway bar has. The thickness of the bar and its composition are going to play a big role. And these bars from SR Performance are solid aircraft grade steel. This means that they're gonna be very strong. But the flip side of that is that they are gonna be a little bit heavy. Or at least heavy compared to a tubular bar. If you don't want the weight, there are other kits out there that you can check out. But if you aren't trying to cut weight then solid bars like these are very strong, like I mentioned earlier. And as far as sizes, the front bar is 35 millimeter and the rear bar is 22 millimeter. Which are both upgrades over the factory bars. These are also powder coated black, so they're gonna have corrosion resistance as well. Another factor that's gonna affect how well a sway bar works is the geometry of the bar. So the sway bar has bends and different angles. But the key is going to be the length of the lever arm, which is this part right here. Both of these bars are three-way adjustable. You can see your adjustment points right here. And having these bars be three-way adjustable means that you have a longer lever arm. Depending on how you adjust the bar in install you're changing the geometry of the bar. The shorter the lever arm is, the greater torque and more force that the bar will have. And that's what you're adjusting when you're moving between the holes here. The amount of force and torque that'll be applied to that outside control arm in order to decompress the outside suspension. The bushing is also gonna affect the sway bar. These bars come with polyurethane bushings, which is gonna be a good option for a street car. Poly bushings are more rigid than the factory soft rubber bushings, but they aren't too rigid to stop all movement. The more rigid the bushings are, the more rigid the bars will be because they'll not be allowed to move as much. The last thing I wanted to talk about when it comes to sway bar effectiveness is that suspension travel is going to affect the sway bar. When I say suspension travel I'm mostly referring to spring rates. The sway bars and the springs are going to work very closely together, like all suspension parts do. So if or when you shop for springs or if you already have a set of springs, just keep your sway bars in mind. The basic rule of thumb is that sway bar thickness should increase as static spring rates increase, and vice versa. When it comes to fitment these sway bars are gonna work on all 2015 and up Mustangs. Including the coupes and convertibles, the GT, the V6 and the EcoBoost models. As far as price, you're looking at spending between $400 and $500 for this kit. Which is relatively close to the other options on the site, which include Ford Racing and BMR. The other options on the site do have different materials or different adjustability or different thicknesses. So just make sure you're shopping in the range of materials, thickness and adjustability that you need for your setup and how you want your car to perform. The install for these sway bars is not difficult at all. And you're looking at spending about two hours to get it done, and a one out of three wrenches on the difficulty meter. You need a handful of different tools but nothing crazy. And as usual, a lift would really help here. But the job can be done on jack stands if you don't have access to one. Your old sway bars are gonna need to be removed but that's just a few bolts. I'd recommend greasing any new bushings well prior to the install, since waiting until after everything is installed will just make that process much more difficult. I'd grease the bushings as much as possible since poly bushings can be a little bit noisy after a short period of time. Getting the factory sway bars out is really only a few bolts. You might need to pop out your airbox to get to some of the bolts for the front sway bar. But the majority of the bolts can be removed from reaching down through the engine bay, except for the end link bolts of course. Then you just have to maneuver your old bar out. Which can get a little bit tricky, but it just takes a little bit of time. The rear bar is a little bit easier to get to. You can get to all the bolts from below the car. Just remove the end links and the bolts and the brackets, then hold the bar to the subframe and sneak the bar out from below the car. The new bars install the same way the old bars came out, so there are no surprises there. You just need to figure out your adjustment points and how you want the car set up. Wrapping things up here, the SR Performance Sway Bar Kit includes a front and rear adjustable bar that are solid in design and thicker in diameter than the factory bars for more rigidity. This kit's made to help with cornering handling by keeping the suspension flat and even. And you can check it out more online right here, at

    Improve Handling Performance. Whip through corners with ease by upgrading to a SR Performance 3-position adjustable Sway Bar Kit, sometimes referred to as an Anti Roll Kit, on your 2015-2019 Mustang. After installation you will experience exceptional handling, flatter cornering and decreased body roll. These beefier SR Performance Sway Bars will transform your S550 Pony into a true corner-carving machine. This SR Performance Combo Kit includes both Front and Rear Sway Bars.

    3-Way Adjustable. While every driver wants better handling, flatter cornering, and decreased body roll, no two drivers are completely alike. By making both their Sway Bars three-way adjustable, SR Performance ensures that every driver can find the sweet spot that they crave. SR Performance designed both their Front and Rear Sway Bars with three (3) adjustment positions, which allows you to fine tune the handling balance of your S550 Mustang to suite your specific driving needs from mild to wild.

    Superior Quality and Materials. SR Performance manufactures their Sway Bars in the USA from solid cold-formed, high-strength aircraft-grade steel for superior strength. Both Bars are then completed in a durable black powder coated finish for impressive good looks and long lasting corrosion resistance. The front Bar measures 1-3/8" (35mm) in diameter, where the rear Bar measures 63/64" (25mm).

    Application. This SR Performance Front and Rear Sway Bar Kit is specifically designed to fit all 2015 to 2019 Mustangs including the V6, EcoBoost, GT and Shelby GT350 models.

    SR Performance

    Fitment: Details

    CA Residents: WARNING: Cancer and Reproductive Harm -

    What's in the Box
    • (1) Front Sway Bar
    • (2) Bushings
    • (2) Brackets
    • (4) Washers
    • (1) Rear Sway Bar
    • (2) Bushings
    • (2) Brackets
    • (4) Washers
    • (2) Brake Line Spacer Brackets
    Installation Info
    Tech Specs
    Will it fit my Mustang?

      Customer Photos (1) Submit Your Photo

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        Questions & Answers (6)

        5 Top Rated Questions

        I have a 2015 GT with the PP what is the difference in the diameter of these SR S.B. vs the Ford PP S's ? Thanks, Nick

        • The 2015 Mustang GT's with the Performance Package came with a front sway bar with a 32mm diameter and the rear diameter is 22.2mm where as the SR Performance Adjustable Front & Rear Sway Bars have a front measurement of 1-3/8" (35mm) in diameter and a rear measurement of 63/64" (25mm).

        Helpful (1)

        Are the bushings in the brackets rubber or polyurethane?

        Confused!! The product description states solid 35mm front solid 25mm rear sway bar... but Stephanie's video states the rear sway bar is 22mm. And the answers to the questions posted are all over the place... one says 25mm rear sway bar and another one says 22mm rear sway bar. Can someone go measure and provide the definitive answer for the rear sway bar size?

        • We apologize for the confusion, the rear sway bar would measure to be 25mm not 22mm as stated in the video. We will definitely get the video updated to state this as well.

        Helpful (0)

        what grease do you recommend to minimize noise?

        • The SR Performance Adjustable Front & Rear Sway Bars can be used with any non petroleum based chassis grease.

        Helpful (0)

        How thick is each bar? I know the thickness is included in the details, but there are other sway bars where the listed thickness was different from what was stated in the product video.

        • Hey Ash, The video is correct, the front bar will be 35mm and the rear will be 22mm

        Helpful (0)
        Post Your Question
        1 More Question
        Would there be any downside of running just these on a performance package GT with the rest of suspension stock? (end links, springs, ETC) Also any chance you could give me an idea in the weight increase over the stock PP GT sway bars? Thanks in advance! 1 answer

          Customer Reviews (4) Write a Review

          Overall Rating 3.8

          out of 5 stars

          Installation Time:Afternoon

          • Handling Improvement 4.75 4.8
          • Fit 4.75 4.8
          • Bang For Your Buck 4.75 4.8

          • 5/5

            August 11, 2019

            My Mustang

            My Mustang should say American Muscle. Keep up great work


            Year: 2017 Submodel: GT

            Helpful (0)

          • 1/5

            Installation Time: Afternoon

            July 14, 2018

            SR Performance Sway Bard

            I opted for the solid over the tubular sway bar, which is the main reason I selected SR Performance. What a mistake... I coupled them with the Whiteline end-links. The installation was simple, but after 30 minutes of driving they started to squeak... BAD, even tho I greased the bushings multiple times with PTFE grease. I had these on my 2018 GT PP for 5 days and 200 miles mostly waiting for the replacement Ford Performance (M-5490-G) sway bars, before I took them off. Needless to say, I do not recommend them. I only wish AmericanMuscle would take them back!


            Year: 2018 Submodel: GT

            Helpful (10)

          • 5/5

            Installation Time: Afternoon

            May 02, 2017

            Night and Day difference in handeling

            I ordered the SR performance sway bars, steeds rear sub frame support brackets, SR vertical links, SR spring and Koni orange shocks and struts. While I am still waiting for the shocks and strict to arrive I installed the sway bars. I cannot believe the difference in cornering with these sway bars. I set the front and rear to the stiffest setting but the ride quality is did not change much. If you have an S550 these sway bars will transform your car into a cornering machine!!!! You can't beat the price for the quality. I installed them myself and it took about 2 hours for the front and about 45 minutes for the rear. Make sure you grease the poly bushing with a high quality grease to avoid squeaking.


            Year: 2015 Submodel: GT

            Helpful (16)

          • 4/5

            Installation Time: Afternoon

            November 17, 2016

            Great sway bar! Improved handling

            After installing the sway bar, the handling improvement was definitely a noticeable improvement over stock! Extremely satisfied with my purchase!


            Year: 2015 Submodel: V6

            Helpful (9)

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