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Teraflex 2.75-Inch Front Upper Bump Stop Extension Kit (07-18 Jeep Wrangler JK)

Item J17789
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$44.99 (pair)

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      Review & Installation Video

      These Teraflex two and three quarter inch Front Bump Stop Extensions are for those of you that have a 2007 and up JK and are running a lift, bigger tires, or any combination of additional suspension components that require some more bump stop. Now you will need to add some more bump stop for a couple of different reasons. Bump stop extensions will help to keep a larger tire out of the fenders, so as you're flexing off-road, this will stop the axle from travelling up before your tires makes contact with the fenders or causes any sort of damage, and a bump stop extension is also there to keep a shock from fully compressing because that can damage your shocks. So again, a couple of different reasons that you'll need to add some bump stop, and there are also a couple of different ways to do so. There are some lower bump stop extensions that you can drill and bolt onto your lower spring perches, and then there are these which are going to be your upper bump stop extensions. These are going to install a little bit differently than the lower ones, not going to require any drilling, but regardless of which bump stop extension you decide to install in your Jeep, you are going to have to do a good bit of disassembly of your front suspension in order to get them installed. Now these are going to be less expensive than some of the other bump stop extensions that are on the market that are made of other materials. There are going to be some aluminum bump stop extensions which are of course more expensive. These ones are going to be made out of a polyurethane material. They're going to be less expensive, but they're still gonna work just fine. So like I said, this is going to be a polyurethane bump stop extension. It does have a steel portion built right into it to make sure that this isn't going to complete compress and buckle under the pressure and the weight of your Jeep, so it's going to do its job and extend that bump stop and keep the axle from travelling when it needs to. One of the nice parts about this bump stop extension is that it does use that factory jounce bumper, so you're still going to have that very soft end of the compression when you are fully compressing your suspension. You have that factory jounce bumper, you're still able to use that, and that's still going to work very well for you. So to get these installed I am gonna give a strong one out of three wrenches, again, no major modification necessary but a good bit of disassembly. You're gonna wanna give yourself probably close to two hours depending on the tools you have at your disposal in order to get these installed. So the first step in the installation is going to be sagging the suspension down and removing your front springs. In order to do that, you'll have to remove or loosen any of the components that keep the axle from fully sagging. That's going to be your sway bar end links, your shocks, your track bar, and your brake line brackets. Once all of those things are removed or loosened up, then sag that front axle down, pull your front springs out of the way, then you'll remove your factory jounce bumper from its location, insert your bump stop extension up into that mount, and then reinstall the jounce bumper in the bottom of your bump stop extension. Once you've done that on both sides, it's a simple matter of reinstalling the springs and reattaching and tightening up all those components that you had loosened up to get these installed. These bump stop extensions are gonna run you right around $40, and I do think that's a very fair price for what you're getting. As I mentioned before, you can get some aluminum bump stop extensions. Aluminum is an expensive material, of course they're gonna be more expensive than these. I really like these because they install easily, and they just work all while being less expensive than some of the other options. So if you're looking for an easy to install bump stop extension, I definitely recommend taking a look at these ones from Teraflex that you can find right here at

      Product Information

      Features, Description, Reviews, Q&A


      • Front Upper Bumpstops
      • Polyurethane with Integrated Steel Support
      • Includes TeraFlex Logo in White
      • Natural Finish
      • Tough Polyurethane with Additional Steel Support
      • Retains Factory Microcellular Bumpstop
      • Easy 1 Hour Installation
      • 2.75 Inches Tall (7 Centimeters)
      • Sold as a Pair
      • Limited Lifetime Warranty
      • Fits 2007-2018 JK Wranglers


      Specs. TeraFlex's 2.75 inch front upper bumpstop kit is designed to work with your 2007-2018 JK Wrangler. Adding bigger wheels to your Wrangler is a good way to increase torque, power, and off-road capabilities, but it also risks damaging your fenders. These bumpstops lift the suspension to prevent that damage, while leaving the stock microcellular bumpstop in place. They sustain even the most bruising bumps with their steel reinforced polyurethane build.

      Construction. TeraFlex's 2.75 inch front upper bumpstop kit includes a pair of bumpstops, covered by the company's limited lifetime warranty, which protects against defects but not wear. These polyurethane bumpstops feature additional steel reinforcement. The stock bumpstops are left in place, creating a multistage shock absorption sequence able to handle the roughest rides with aplomb.

      Application. Fits 2007-2018 JK Wranglers.

      Fitment: 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 Details

      MPN# 1953800

      CA Residents: WARNING: Cancer and Reproductive Harm -


      Customer Reviews (14)

      Write a Review

      Ratings Summary

      4.7 out of 5 overall rating from 14 customers

      • June 20, 2019

        5 2013 Rubicon - LeisaT

        What we wanted.

        Easy to install, gave extra protection we needed in combination with the new lift.

        Helpful (3)
      • June 11, 2019

        5 2010 Wrangler - RobertR

        No more banging around

        Installed good look good and function well. What more can I say.

        Helpful (2)
      • January 11, 2019

        5 2017 Wrangler - Timjeep

        Good quality

        You have to almost press them in their butt it is a perfect fit and works well. Cannot beat it for the price. I would definitely buy again

        Helpful (5)
      • June 02, 2018

        4 2008 Rubicon - MattO

        Good product

        Tight fit easy to install use a rubber mallet or dead blow. Clean up your oem Bumpstop clean out the inside of the retainer with wire wheel. Good to go!!

        Helpful (10)
      • May 27, 2018

        4 2016 Rubicon - mikieb

        2016 JKU

        Seem to work well. Hopefully these will save me any more shock damage.

        Helpful (10)
      • February 18, 2018

        5 2008 Rubicon - RobertA

        Bumpy and Stoppy

        Solid and easy to install as long as you have the srpings off.

        Helpful (11)
      • December 05, 2017

        4 2008 Rubicon - Darrell


        Good product. Fairly easy to install. I recommend them

        Helpful (11)
      • December 03, 2017

        5 2013 Rubicon - David

        Very easy to install

        Very easy to install After a 3 inch lift I install these bump stops I popped then very easy. Took no time at all.

        Helpful (11)
      • August 28, 2017

        5 2009 Wrangler - ZachScaturro

        Bump Stops

        These work great! Look great too! They even showed up to my place before I needed to install.

        Helpful (12)
      • April 30, 2017

        5 2016 Wrangler - DeniSandi

        Savior for My New Shocks

        Not wanting to use my new shocks as bump stops, I purchased taller springs and added the bumpstop kit during the installation. A little grease, a block of wood and a floor jack helps push the stops into the socket.

        Helpful (12)

      Questions & Answers (1 answers)

      1 Top Rated Question

      would they work with a 2.5 inch coil spring

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