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Ford Performance Jounce Bumper Kit (05-14 All)

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  • Item 50408

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    Features, Video & Details

    • Softer Than Stock to Improve Ride Comfort
    • Original Equipment on 2012-2014 Shelby GT500
    • Genuine Ford Racing Part
    • Designed for Use with Ford Racing Lowering Springs
    • Includes (2) Front and (2) Rear Jounce Stop Bumpers
    • Fits All 2005-2014 Mustangs with Ford Racing Springs Installed

    Review & Installation Video

    Review & Install Video

    Shelby GT500 Original Equipment. These Ford Performance Jounce Stops are the same exact ones found as standard original equipment on the 2012-2014 Shelby GT500 Mustang.

    Improves Ride Comfort. These GT500 Jounce Bumper Stops may look like your stock ones, but the difference is that they are much softer/spongier than stock. So when the jounce bumpers compress, they release slower than stock to provide a less violent chassis reaction when the vehicle bounces off them. This improves stability and ride comfort when used in conjunction with FRPP lowering springs.

    Kit Includes. This Ford Performance Jounce Bumper Kit contains two front jounce stop bumpers and two rear jounce stop bumpers.

    Legendary Ford Performance Quality. When you're adding suspension parts to your Pony, you can't go wrong by installing parts from the folks that know it best. Ford Performance's legendary quality ensures a perfect fit and years of hassle-free use.

    Application. This set of four Ford Performance Jounce Bumper Stops fits all 2005 to 2014 Mustangs with Ford Performance Lowering Springs installed, including the V6, GT, Bullitt, Boss and Shelby GT500 models.

    Technical Note. These Jounce Bumper Stops are compatible with the following Ford Performance spring kits; M5300K, M5300L, M5300N, M5300P.

    Fitment: 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 Details

    MPN# M-5570-A

    CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

    What's in the Box
    • (2) Front Jounce Bumpers
    • (2) Rear Jounce Bumpers
    Installation Info
    Tech Specs
    Will it fit my Mustang?

      Customer Photos (19) Submit Your Photo

      View All 19 Photos

        Questions & Answers (15)

        5 Top Rated Questions

        Will these work on a 08 Mustang GT convertible lowered approx. 1-1.5"? This is a 4.6 with a supercharger.

        • This kit is designed to work with the Ford Performance springs, as long as you have the Ford lowering springs then this kit will work perfectly for your lowered Mustang.

        Helpful (1)

        Will the Jounce Stops work on a non-lowered Mustang? I want to know if these would work on a non-lowered 2007 Mustang V6 with stock springs? The description states to use with lowered springs, but will these cause a problem if installed?

        • No, there should be no problem. they're exactly the same as the factory ones with softer materials. if your car is not lowered you wouldn't be able to feel the difference comparing to those who lowered their mustangs.

        Helpful (1)

        I was wondering if these come with installation hardware such as the bracket and the screws? (I am particularly wanting the brackets). I realized that my mustang is missing both the jounce bumpers and the brackets. Where it says "what is in the box" it does not mention the brackets. Let me know. Thank you for your time!

        • This kit includes (2) front jounce stop bumpers and (2) rear jounce stop bumpers.

        Helpful (0)

        Lots of questions regarding different types of springs and whether they work with these bumpers. Iā€™m planning on buying Roush springs, which only lower the car about .5ā€. Will these jounce bumpers work with only a slightly lowered setup?

        A little confused. One staff member says these will work with SR springs, two others say Ford performance only. Why would these not work with other brands? Looks like they just bolt to the arm and the springs, dampers will not matter. I have eibach pro dampers with Vogtlands springs.

        Post Your Question
        10 More Questions
        Will these work with the boss 302 T springs? I ask because they appear to be taller than the jounce bumpers supplied with the ford racing boss 302 spring kit. 1 answer
        Does anyone know if these FRPP jounce bumpers will work with Steeda lowering springs? Ideally, anyone know if they work with the Boss 302 Steeda lowering springs? 1 answer
        Will these work with sr performance lower springs or do they have to be Ford performance springs 1 answer
        Hi... do you stock the OEM of these product for the 2005? Searched the website no luck.... HELP 1 answer
        Will this work to replace the sock...or this product is for cars with lowering springs 1 answer
        I installed the SR 1.5 lowering springs with Koni shocks and struts. Question 1... Will these work in front with the Koni struts? Question 2... Had frt end aligned after the new springs and struts were installed. Will I need to have frt end aligned again if I can install these without removing the bottom bolts of the struts? Thanks! 1 answer
        Will these work with RTR lowering Springs. 1 answer
        I recently had my garage install a Steeda Level 1 coil-over setup, with 200 lb. springs forward and 175 lbs. rear. I lowered the front only about .75 inches and the rear about 1.5 inches. With the shocks set soft as possible, the ride is bouncy and harsh on bumps (probably bottoming out in the rear.) I know I can easily replace the rear jounce bumpers, but will this kit be usable with the steed coil-overs up front? 1 answer
        I recently installed this in my 2011 GT with the Koni STR.T's and SR lowering springs. As the car sits, I have about 1/4" of clearance, but I feel like the back end is louder and a little rougher going over the many dips and speed bumps that Arizona has to offer. Should these be trimmed for my application? 1 answer
        Will These only work with Ford Racing Springs? I am trying to decide between the Ford Racing K springs and the SR Performance springs. I wouldn't even be considering the SR springs if they didn't spec out virtually identically to the K springs but at about $60.00 less (current sale price of $139.99). I am planning on going with just springs, an adjustable panhard bar, camber bolts, and possibly this Jounce Bumper Kit to soften the ride for now. Yes, the shocks and dampers and mounts will get swapped later. So will this bumper kit only work with Ford Racing Springs or can I use it with other springs? 3 answers

          Customer Reviews (100+) Write a Review

          Overall Rating 4.8

          out of 5 stars

          Installation Time:Less than 1 Hour

          Installation Cost:$100-$250

          • Handling Improvement 4.54717 4.5
          • Fit 4.962617 5.0
          • Bang For Your Buck 4.754717 4.8



          • 5/5

            Installation Time: Less than 1 Hour

            May 08, 2019

            Bump stops were toast

            These were incredibly easy to install with a t-40 torx. Total time to install took about ten minutes.

            MarkT

            Year: 2006 Submodel: GT

            Helpful (0)

          • 5/5

            Installation Time: Less than 1 Hour

            April 29, 2019

            increase traction

            gives car ability to land on bumpers and increase down force

            DennisP

            Year: 2012 Submodel: GT

            Helpful (0)

          • 5/5

            Installation Time: Shop Install

            April 24, 2019

            Might as well!

            Seemed like I should instead of having old bump stops with new set-up!

            AlanP

            Year: 2008 Submodel: GT

            Helpful (0)

          • 4/5

            Installation Time: Afternoon

            April 17, 2019

            Good for car

            A little pricy but good enough, a little off from the back, and no installation guide for the strut installs.

            Jauregui

            Year: 2006 Submodel: V6

            Helpful (0)

          • 5/5

            Installation Time: Less than 1 Hour

            April 16, 2019

            Bouncing on clouds

            Figured with my axle and frame were slamming together when i hit a minor bump i cha ged shocks and didnt fix it and notice one of the rear ones are gone completely so i looked around and asked ford house for one but paying 50 almost for one of the rear ones getting all 4 front and rears for way cheaper couldnt pass it up now i feel like im ridi g smooth bouncing on clouds

            ChrisO

            Year: 2006 Submodel: GT

            Helpful (1)

          • 5/5

            Installation Time: Less than 1 Hour

            March 31, 2019

            Bigger is better

            These jouncer bushings are ever so slightly thicker then the OEM ones on my V6 and that extra mass translates the shock force more evenly distributed and is quite the ride improvement. Only problem I had was not having a t40 torques socket.

            AverageV6Joe

            Year: 2009 Submodel: V6

            Helpful (0)

          • 5/5

            Installation Time: Less than 1 Hour

            March 23, 2019

            Ford Performance Bump Stops

            Easy install just jack the car and remove the back wheels. I sprayed a little WD-40 on the screws to help them loosen up a little.

            07CaliGT

            Year: 2007 Submodel: GT

            Helpful (0)

          • 5/5

            Installation Time: Less than 1 Hour

            March 11, 2019

            Smooth ride

            Big upgrade over the worn out factory jounce bumpers

            MichaelC

            Year: 2007 Submodel: GT

            Helpful (0)

          • 5/5

            Installation Time: Less than 1 Hour

            March 03, 2019

            07 California Special

            Perfect fit and really tightened up the handling. Very easy to install with a m40 torx bit. Only tools needed was ratchet and 40 torx.

            Fulldraw

            Year: 2007 Submodel: GT

            Helpful (0)

          • 5/5

            Installation Time: Less than 1 Hour

            February 19, 2019

            More jounce per ounce

            I was replacing struts and shocks and decided it would be the ideal time to replace the old jounce bumpers. Best time to do it. It took less than five minutes to install, where as just replacing them on their own would have required a lot more time--especially the front. At this point I have not noticed a big improvement,the roads here are pretty smooth. But hey I know they are there. Thanks!

            JimW

            Year: 2012 Submodel: V6

            Helpful (1)

          • 5/5

            Installation Time: Less than 1 Hour

            February 16, 2019

            Just as the originals from the factory

            Can't beat the price and product. This is a signed Shelby car fit for show. I am very pleased to have shopped with the seller and will search for other items with them as needed.

            JohnJ

            Year: 2007 Submodel: V6

            Helpful (1)

          • 5/5

            Installation Time: Afternoon

            February 14, 2019

            Perfect Refresh

            I was looking for rear replacements alone, then I saw it was more inexpensive to buy the whole kit here. The KYB strut boots I purchased for my suspension setup came with bump stops but I replaced those with the Ford performance ones. It works perfect with my Steeda Pro-Action and Ultra-Lite Lowering Springs and shocks. I wasn't sure how it would work with that set up, 1.25 inches lower in front, 1.5 inches lower in the rear. It works great, the car handles wonderfully, and no bottoming out.

            NathanC

            Year: 2005 Submodel: V6

            Helpful (1)

          • 3/5

            Installation Time: Less than 1 Hour

            January 29, 2019

            06 GT

            Replaced these when I replaced my springs and shocks. The factory original ones were shot.

            Ron

            Year: 2006 Submodel: GT

            Helpful (1)

          • 5/5

            Installation Time: Less than 1 Hour

            December 17, 2018

            easy install

            Very easy install and helped going over speed humps dramatically as I previously had no rubber left on my old bump stops

            07GTcalispecial

            Year: 2007 Submodel: GT

            Helpful (2)

          • 5/5

            Installation Time: Less than 1 Hour

            November 30, 2018

            Bump stops

            Easy to install smoother ride for aftermath love all parts from this webstie

            ChrisG

            Year: 2008 Submodel: GT

            Helpful (2)

          • 5/5

            Installation Time: Afternoon

            October 16, 2018

            Nice buy!

            Lowered my car 1 1/2 inches and wanted something a bit softer so I went with these. Glad I chose them and didn't remove the stops completely as people have said. Going over train tracks these are absolutely necessary. A nice upgrade over the harder ones a normal mustang comes with.

            Barricade

            Year: 2012 Submodel: V6

            Helpful (5)

          • 5/5

            Installation Time: Less than 1 Hour

            October 15, 2018

            fit perfect

            fit perfect and really fast shipping take me 20 min to replace the ones for the back

            JohanseL

            Year: 2007 Submodel: GT

            Helpful (5)

          • 5/5

            Installation Time: Less than 1 Hour

            September 27, 2018

            Jounce Bumper kit

            Restored the entire suspension with Ford Performance parts. The added the bumpers as a final touch. The originals were nearly gone. Took less than ten minutes after jacking up and fetching tools. Great bang for the buck.

            TonyC

            Year: 2005 Submodel: GT

            Helpful (8)

          • 5/5

            Installation Time: Afternoon

            September 12, 2018

            As described.

            Well made and fit perfectly. Rear installed in 5 minutes.

            GuillermoG

            Year: 2010 Submodel: GT

            Helpful (5)

          • 3/5

            Installation Time: Less than 1 Hour

            September 04, 2018

            Jounce kit

            I dont really notice a difference besides them being newer. The old ones seem to be the exact same as these except for the part number. The ride quality over bumps is about the same except when you change your shock and struts. I would recommend this to anyone who just wants to replace their old jounce bumpers with new ones while they are doing a shock and strut install.

            Dalton

            Year: 2012 Submodel: GT

            Helpful (5)

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