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Teraflex 2.50-Inch Suspension Lift Kit with 9550 VSS Shocks (07-18 Jeep Wrangler JK 4 Door)

Item J123574
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$833.99 (kit)

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      Review & Installation Video

      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation


      • High-Performance Suspension Lift Kit
      • Delivers 2.50 Inches Front and Rear Lift
      • Increased Ground Clearance
      • Designed for Off-Road Performance without Compromising On-Road Drivability
      • Includes Performance 9550 VSS Shocks
      • High-Performance Springs
      • Accommodates up to 35-Inch Tire
      • Drilling and Cutting Required
      • Requires Wheel Spacers if Using OE Wheels or Aftermarket Wheels with 4.50-Inch Backspacing
      • Fits 2007 to 2018 Jeep Wrangler JK 4 Door Models


      Designed for Off-Road and On-Road Drivability. The Teraflex 2.5 inch Lift Kit with 9550 VSS Shocks is specially configured for a quality ride in your Jeep Wrangler, regardless of whether you're on a trail or on a highway. The springs and shocks included in the kit are designed to work together to maintain the proper suspension geometry.

      Performance 9550 VSS Shocks. These 9550 VSS shocks are fine-tuned and valved specifically for the application to deliver maximum performance. Additionally, these shocks help minimize body roll for a more stable handling.

      High-Rate Springs. The kit's springs are made to have a higher spring rate than the factory springs. This allows the springs to lift up the Wrangler while helping to improve the ride quality

      Some Drilling and Cutting Required. In order to properly install the lift kit, some drilling and cutting will be required. Note that the kit requires aftermarket wheels with 4.50-inch backspacing.

      Application.The Teraflex 2.50 inch Lift Kit with 9550 VSS Shocks is specifically designed to fit 2007 to 2018 Jeep Wrangler JK 4 Door models.

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

      MPN# 1251000

      CA Residents: WARNING: Cancer and Reproductive Harm -


      Customer Reviews (22)

      Write a Review

      Ratings Summary

      4.8 out of 5 overall rating from 22 customers

      Installation Time: Full Day

      Installation Cost: $250-$500

      • December 23, 2019

        4 2007 Wrangler - BDjeep Installation Time: Weekend

        As Expected

        2.5" lift with 9550 shocks, fairly easy install. Would have been even smoother if I had lubed everything up first. Rides pretty similar to stock, just a bit higher. Not much sway when turning, will prabably upgrade shocks in the future but the 9550s work fine.

        Helpful (2)
      • September 26, 2019

        4 2008 Wrangler - Peterm2469 Installation Time: Full Day

        Honest Reveiw

        I purchased a 2.5" lift kit from quadratech (Product Number 1251000) which is a full suspension lift kit with 9550 shocks. I purchased and installed this lift at the beginning of the summer and wanted to drive around on it for a little while before writing my review that way I could be as honest and as critical as possible. Let's start with the cons, When installing the rear suspesnion I was disappointed that the mounting bracket that goes onto the rear end felt like a universal bracket that could be used with other kits. Also, it was not specified in the installation manual which ole he rear track bar was supposed to mount onto and upon calling customer service they did not have an answer for me either. Another big con in this process for me was that I was expected to reuse my rear sway bar links in the front suspension and for the higher price point of $900 I personally feel that this kit would be much better if it came with new and or reinforced sway bar links. I also ran into a few issues of missing hardware which had not been in the box upon installation. Pros - This kit looks and works great and with the 9550 shocks in this kit, you can feel how tight the suspension got and it seems to be able to hold a lot more weight on and in the vehicle. Customer service was extremely helpful in answering all questions I had upon installation and I could not be happier with how friendly they were in the whole 10-hour process. At the end of the day, I am very pleased with this kit aside from my few concerns.

        Helpful (6)
      • September 13, 2019

        5 2011 Wrangler - Mason Installation Time: Afternoon

        Excellent Lift

        I put this lift on in around 4 to 5 hours in my driveway with my dad. We used a jack and jack stands and it wasn't hard at all. I would suggest watching the video from Teraflex about installing it while you install it or before hand. It is very useful. Great lift though. Ride is a little more firm but I personally like that. Rides smoother than factory. Doesn't have any body roll and I paired it with 35 inch tires and no problem with clearance except for the front plastic skid tray when turning really sharp. Overall fantastic lift!

        Helpful (10)
      • August 18, 2019

        5 2013 Wrangler - Logan4DJKU Installation Time: Afternoon

        My Overall Experience and Impressions

        TLDR: That 4.5” Backspacing is not actually essential (at least in my case) and No you don’t need exhaust spacers if you use the 9550 VSS Shocks that come with the Teraflex lift listed. [1] Build: Jeep: 2013 4D Jeep Wrangler Sahara Lift: Teraflex 2.5 in. Lift Kit w/ 9550 VSS Shocks (07-18 Jeep Wrangler JK 4 Door) Tires: 35x12.5xR20 Suretrac Radial A/T Wheels: Panther Offroad 578 Wheel Flat Black 20x9, 5” Backspacing Overall Height (After lift and tires installed for garage clearance inquiries): ~73 to 73.5” [2] Introduction: I would like to preface this review with the fact that I do significantly more highway driving than offroading so my main motivation for installing the above items, was for looks. I have a fairly long commute to work (~50 mins) and this is my daily driver. That being said, I have no doubt that someone would be very happy with this same build for offroading if they just incorporated a more rugged tire tread. [3] Installation: Lift Installation time: 5 hours I have a decent amount of experience working on cars but this was the first lift kit I had ever installed so I had a lot of questions going into it. I completed this install with 3 people (including myself) on a Saturday morning with no real rush. I did not have a car lift, as I noticed most of the online tutorials had to install lift kits, so I just used a single jack and 2 jack stands. Basically, I jacked the jeep up under the differential as high as it would go and then dropped it slowly on two stands on the frame in front of the trailing arms for each end. Now I was able to use the jack under the axle to raise and lower each axle as needed during installation. Obviously, I did the back first because you need to reuse the rear sway bar linkage on the front end. Also, in case anyone was wondering, I did not use the stock jack. I used a 3 ton hydraulic jack that has about a 2ft displacement. I had no real issue with any part of the installation. It actually went together very smoothly. I did have to bend the front brake lines nearly straight to relieve their tension at full droop. [4] Lessons Learned: Personally I had several questions with the requirements listed for this lift: mainly regarding the need for exhaust spacers and the 4.5” backspacing. I could not find a clear answer online that would answer the following questions so I will share my own experience. How crucial is that 4.5” backspacing that everyone suggests for this lift? I personally purchased the lift to install myself and then wanted to get my tires and rims done by tire place so they could do the balancing, TPMS installs, etc. HOWEVER, the general consensus online was that I had to have this 4.5” backspacing for proper clearance. I was currently running stock rubicon mud terrain tires and rims (32x10R17, 6.25” backspacing). Obviously, I had concerns that I would have clearance issues if I installed the lift with these stock rubicons and I wouldn’t be able to drive the jeep safely to the tire dealer for them to do the install of new tires. My dad on the other hand convinced me to just go ahead with the lift because he felt I would have plenty of clearance. He was right. I installed the 2.5” lift and had absolutely no clearance issues with running these 6.25” BS Rubicons. Actually, I ended up having to order new tires anyway so I ran these stock Rubi’s on this lift for a week before I got my new tires and wheels. AND THEN, although I did order the panther rims listed above with 4.5” backspacing, there was a mistake and they shipped the 5” backspacing style instead. I decided that it probably wouldn’t be an issue and told the tire place to just go ahead with the install. Low and behold, they work with plenty of clearance (several inches) as well. Again, I do not do a ton of offroading with this thing so I cannot confirm that there won’t be clearance issues at full flex with this setup. However, if I had to bet, I would think that you will be fine (If someone has the official answer, please share). For my purposes however, it works great. Do you need exhaust spacers with this lift? Long story short, you do not need to purchase exhaust spacers with this lift if you use the shocks listed above. I personally could not find a clear answer to this question online before installing this lift so here it is. Will my stock jack still work anymore with this lift?: One more random thing to think about: Will my stock jack be able to lift this Jeep high enough if I get a flat? Yes technically, but depending on placement it will be close. I placed it under the back axle because that seemed like the highest starting jacking point and it is able to provide about 1-2” of clearance at most when the screw jack is fully extended. So no you technically don’t need a high lift jack but I personally will probably end up buying one anyway because they look awesome lol. [5] Driving Experience: The overall driving experience of the lift is incredible. I am very happy with the handling and feel this lift has. However, I have not yet tested it on off road trails so I cannot fairly rate it for this situation. I can say that it is great if you will be using this setup for highway driving. I did not install the new wheels and tires right away so I had the chance to directly compare the stock suspension to the Teraflex lift. In my opinion it is has a very similar feel to the stock suspension but maybe handles bumps a bit smoother. I wouldn’t expect a huge difference in handling if that’s what you’re going for, to be honest. Don’t get me wrong though it’s still really good. However, after installing these new tires and rims with the lift, this is where I saw an enormous improvement. The wider wheel base and the larger tire greatly improved the handling. I am VERY happy with how this Jeep rides. Also since I went from the mud terrain Rubicon’s to the All-terrain Suretrac’s there is a significant decrease in noise from the tires. Yes, I did expect it to be quieter but did not expect it to be this much quieter. Just something to think about depending on how you plan to drive your vehicle. One thing to consider (if you don’t already know) as you change tire size your speedometer will read incorrectly and the error will scale linearly as you go up in speed. There are devices you can use to reflash the car’s computer and correct for this issue but if you’re cheap and/or lazy like me you can calculate the discrepancy by multiplying the ratio of your new tire size and your stock tire size to your speed instead. Example (my case at a 50mph reading on the speedometer): [(New Tire Size)/(Stock Tire Size)]*(speedometer reading) = actual speed (35”/32”)*50mph Actual Speed= 54.69mph Just something to keep in mind. [6] Conclusion: I am very happy with my setup and would recommend this to others. I am by no means an expert in this area but hopefully my shared experience can help others who plan to lift their jeep. #JeepGang4Life

        Helpful (16)
      • August 08, 2019

        5 2008 Wrangler - Ted Installation Time: Shop Install Installation Cost: $250-$500

        Major Improvement

        I chose this kit to replace my delapidated OEM Springs and Rancho shocks that were leaking oil so this was a huge upgrade! My Jeep is a daily driver that I take up into the mtns on weekends for fishing/camping (30x/year on unpredictable forest roads) so the additional clearance and improved handling is something I am going to enjoy! Great product, Teraflex!

        Helpful (5)
      • August 05, 2019

        4 2014 Wrangler - Geo Installation Time: Weekend

        Nice Upgrade

        This kit installed fairly easily considering I'd never done one before. Teraflex instructions leave something to be desired though. They're woefully out of date and there wasn't even any mention of the rear track bar relocation bracket. You Tube is great for filling in the blanks. Everything installed smoothly without modifying anything on my 5 year old 4 door JK.

        Helpful (1)
      • July 07, 2019

        5 2017 Wrangler - Mike Installation Time: Afternoon

        Teraflex lift kit

        This kit has everything you need and it's easy to install It levels ty he jeep and makes it look great

        Helpful (1)
      • July 02, 2019

        5 2013 Wrangler - 17x9wheels Installation Time: Afternoon

        2.5 inch lift for a great price

        This is a very good lift kit for someone who is looking to add height and get a little more clearance for wheeling. Very nice lift kit, well packaged, everything was organized very cleanly, and the installation was very easy. The kit performs very well and it has held very nice. What I will say is this. If you want the installation to go smoothly, use the video that Teraflex provides you with on the installation process. The instructions in my opinion, were awful. The video was the saving grace for step by step. The install took me 8 hours but it was due to complications with a certain bolt snapping on me, and waiting for jacks to be available. If you are fully ready in advance, it shouldn’t take more than 3-4 hours honestly. Plus having more people there helps reduce how long it should take

        Helpful (2)
      • June 06, 2019

        5 2017 Wrangler - Otis Installation Time: Full Day

        Impressive kit and easy install!

        Color me impressed! I loved everything about this kit! Beefy springs, nitrogen shocks, and everything needed for install is in the box. We installed it in my garage using a few floor jacks. Heads up if you're planning this install: Disconnecting the hardware from the front upper shock mounts is a bear! I'm very happy with this set up. My Jeep now has a great stance and few extra inches clearance for wheelin' thanks to Teraflex and Extreme Terrain!

        Helpful (3)
      • March 15, 2019

        5 2007 Wrangler - MichaelL Installation Time: Full Day

        Easy Install Great Ride

        Took about 8 hours to install in my driveway. Drove the 100 miles before torquing all the bolts again and took it off-roading a few times since. It's worked great, the old suspension made the ride feel like a boat. WIth the new suspension I've been running a little higher and feels better on the road. Definitely would recommend.

        Helpful (8)

      Questions & Answers (36 answers)

      5 Top Rated Questions

      I have a set of TeraFlex provided instructions that specify to inboard the rear track bar link. The instructions imply this will allow for OEM wheels to be used without spacers. Is this accurate?

      • Most OEM wheels will require a spacer due to clearance with the sway bar links. We typically recommend spacers to prevent rubbing, if you are retaining OEM wheels.

      Helpful (7)

      What else would I need after putting this on my stock jeep? Steering bar? Reinforced sway bar? Spacers? Exhaust extenders?

      • The Teraflex 2.5 in. Lift Kit w/ 9550 VSS Shocks would not require any additional parts except for an exhaust spacer if you have a 2012-18 Jeep Wrangler JK.

      Helpful (4)

      If I am going to be running a 17x9 wheel with a 4.75 backspace, will this cause me to need a spacer? or does the description mean "you must run with a wheel that has a 4.50 back space or higher"?

      • The Teraflex 2.5 in. Lift Kit w/ 9550 VSS Shocks requires Wheel Spacers if using OE Wheels or Aftermarket Wheels with 4.50-Inch or less Backspacing. With a 4.75 backspacing on your 17x9 wheels, wheel spacers will not be required.

      Helpful (3)

      would this kit work with 18x9 wheels with -12 offset and 35x12.5x18 tires?

      • That wheel and tire combo will fit on your Jeep with this lift kit but may have some rubbing at full clock of the tires.

      Helpful (3)

      Does this kit only come with sway bar links for the back what about the front. And is there no need for a track bar bracket in the front. Last one says some cutting and drilling requirements can you elaborate on that. Thanks

      • The Teraflex 2.5 in. Lift Kit w/ 9550 VSS Shocks will include new rear sway bar links and you will reuse the rear ones in the front. At 2.5" of lift you can reuse the stock track bar. You will need to drill to install the rear track bar drop bracket so you can reuse the stock rear track bar. 

      Helpful (2)
      10 More Questions
      Currently I have the teraflex spring leveling kit, promoted as a 1.5" front lift to eliminate the front rake. This 2.5" lift kit lifts 2.5" both front and rear. Does that include the extra 1.5" of lift level the front end and also eliminate the front rake?? 1 answer
      Hello, I am preparing my Wrangler for the raid and I will have a lot more weight in the vehicle, approximately 800lbs positioned inside in the trunk and in place of the rear seats as well as on the roof. Is this kit suitable for heavy loads? We can see for example that with old man emu there is a "soft" version and a "hard" version for heavy loads. Thank you in advance for your response 0 answer
      Will I need to purchase new control arms or install drop brackets with this lift? 1 answer
      If i were to run 295/70R17 tires on my stock rubicon wheels, I assume I would need a wheel spacer and exhaust spacer. Would I need anything else? I keep seeing comments about a new driveshaft, track bar, sway bar links, etc. Do I need any of these things? 0 answer
      Would this work with stock rubicon 17x7.5 wheels and 33 inch tires or would I need a spacer? 1 answer
      is this product compatible with JK 4-door using 285/70/R17 tires? 0 answer
      I want to run this kit with a 17x9 inch rim with 4.25 backspacing on a 35x12.5R17 tire. Will this fit without issue? 1 answer
      Can this lift kit be installed with the Teraflex 1.5" leveling kit already installed on my JKU? If yes, would it be more level and would there be any additional parts or work needed? 1 answer
      Would 20x10 35 12.50 fit my 2015 jeep jk with a 2.5 teraflex lift kit or would i need a 3in? 1 answer
      I want to get this for my 2013 4dr JK, but I also want to level the forward pitch. Do you recommend pairing this with a spacer product of some kind in the front end? If so, which one would be best to go with this lift kit? 1 answer

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (2) Front Springs
      • (2) Rear Springs
      • (1) Brake Line Extension Bracket
      • (1) Rear Axle-End Track Bar Bracket
      • (2) Front Shocks
      • (2) Rear Shocks
      • Installation Hardware

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