Guaranteed Free Delivery by 12/24! available on most items - Details

Talk to Wrangler Enthusiasts
M-F 8:30A-11P, Sat-Sun 8:30A-9P
Win $5,000 For Your Wrangler! Enter Daily
Cyber Monday Prices Still Live Shop Now

Teraflex Front Big Brake Kit w/ 13.3 in. Vented Slotted Rotors (07-18 Jeep Wrangler JK)

Item J17287
ExtremeTerrain no longer carries the Teraflex Front Big Brake Kit w/ 13.3 in. Vented Slotted Rotors (07-18 Jeep Wrangler JK). Please check out 1997-2006 Jeep Wrangler TJ Brake Conversion Kits for an updated selection.

Features, Video & Details

  • Composite Resin, Semi-Metallic Brake Pads
  • Premium E-Coat Finish
  • Slotted Rotors
  • Direct Bolt-On
  • Twin Piston Brake Caliper
  • Increased Heat Dissipation
  • Increased Surface Area
  • More Clamping Force
  • Increased Stopping Power
  • Fits 2007-2018 Wrangler JK Models

Review & Installation Video

Review & Install Video

I'm Ryan from, and this is my review of the Teraflex Big Brake Kit, fitting all 2007 and up JKs. This kit is available with the slotted rotors that you see here, or with plain rotors for a few dollars less. Today, we're going to talk through the installation of this kit, which is a very simple one out of three wrenches. This is something that you can get done in your driveway in under two hours. There's no major modification necessary to install this big brake kit. We're also going to talk through the construction and a few of the features of the kit.This is for those of you who are running big, heavy wheels and tires on your Jeep and want some additional stopping power. Now, you can always upgrade to a high-quality rotor and pad that will give you some additional bite, and you can also upgrade to a larger rotor that simply has a bracket to move the caliper away and mount it in a proper mounting location for that larger rotor. But, this kit includes not only large slotted rotors, but also pads that are designed to bite really well into those rotors, and not just brackets to move your factory calipers, but new aftermarket calipers that are twin-piston calipers. These are going to create a ton of additional clamping force that is really going to be noticeable when stopping your Jeep.Now, again, there are a lot of different ways to upgrade your brake system. This is really the all-in way to do it. Between the larger rotors, the larger twin-piston calipers, the pads, this really does include everything, so this kit is going to be expensive. Now, not as expensive as some of the other kits on the market, but this is going to be a pricier way of upgrading your brakes. If you're just looking for a little bit of additional bite, you can certainly go with one of those other systems that doesn't include all of these components and have a little bit better performance, but if you're looking for even more, this is a great way to go.As I said before, this kit really does include everything you need to upgrade to a big brake kit on your JK. It has, of course, these new rotors, and, again, these are available slotted, or plain for a few dollars less, and these are 13.3 inches, which is an upgrade over the factory which are around 12.5 inches. Now, because these are larger and because these calipers are larger, you are going to have to run at least a 17-inch wheel to fit these big brakes underneath of it, but if you do have a large wheel, these are going to clear without any other major modifications.Now, to go with your new rotors, of course, you have a new set of pads up front, but really, the star of the show is these new calipers. These are twin-piston calipers, and each one of those pistons is 56 millimeters. This is going to create a ton of clamping force on these new rotors, really helping to stop the Jeep quickly, even with big heavy wheels and tires on it. And, of course, you have your caliper brackets to make mounting your new calipers with your new, larger rotors onto your Jeep a very easy process without any major modifications.Even though this kit does include quite a few components and you are giving yourself a lot more braking power, the installation is really not that much more difficult than doing a traditional brake job. The first step in the install is going to be removing the wheels, of course. Then, you can unbolt your calipers, your caliper brackets, and get rid of your rotors. From there, it's just a matter of installing your new rotors, your new caliper brackets and calipers with the new pads installed in them, and bleeding out the new brake system.As Teraflex will tell you, breaking loose the banjo bolt on your old calipers before unbolting the calipers from the brackets will make that process a lot simpler for you. Of course, as I said, because you are opening up the brake system when you're installing new calipers, you are going to have to bleed the system out, but that's not something that is a huge deal to do. That is really a general maintenance item. You are going to want to bleed your system from time to time to get rid of the old fluid because it does absorb water from the air, so that isn't something that should keep you from installing this system. Overall, a very easy install at one out of three wrenches, no specialty tools necessary to get it done, just your traditional hand tools, but make sure you have some brake fluid on hand in order to bleed the system out and get everything up and running when you're finished.Once you do have everything installed, you will want to go through the break-in procedure that Teraflex will tell you about to ensure that you get friction material from the pads onto your new rotors and make sure that everything is going to work really well, as it's designed to.Now, as we said before, there are a couple of different ways to upgrade your brakes, from just swapping out the rotors and the pads, to going to a bigger rotor with a caliper bracket, to a system like this that has calipers, caliper brackets, larger rotors, and pads. And this system, because it does have all the components, is going to be one of the more expensive options when you're talking about upgrading your brakes. However, there are some brands out there, like the Baer brake systems, that will have some additional features that are going to be even more expensive than this system.So, all in all, if you're looking for a big brake system that includes a dual-piston caliper, this is one that isn't quite as expensive as some of the others and is still definitely going to get the job done. However, if you don't have the budget for this system, or you're not quite looking for the stopping power that it provides, you can still upgrade to these same 13.3-inch brake rotors with caliper brackets to relocate your factory brake calipers for about half the cost of this system.So, if you're looking to add a ton of braking power to your JK by upgrading to a larger brake rotor and a twin-piston caliper, this is going to be a really nice system. This is well put together, so everything is going to work in conjunction with each other, giving you a lot of stopping power, all without being at the very top of the price range.So, that's my review of the Teraflex Big Brake Kit, available for all 2007 and up JKs, that you can find right here at

Build. Upgrade your JK's brakes with Teraflex's big front brake kit. The components are constructed using a composite-resin, semi-metallic material and feature a premium e-coat finish. You can be sure this kit will last while giving your JK the performance you crave.

Specs. This kit has a variety of perks, so you can be sure you're getting the best bang for your buck. This kit offers improved clamping force with the twin piston brake calipers. The slotted rotors provide better heat dissipation even in nasty weather. To top it off, the pads are specifically designed to optimize the friction area for excellent grip and to reduce noise and rust associated with extreme braking maneuvers.

Application. Fits 2007-2018 Wrangler JK models. Please keep in mind that the heavy duty master cylinder, part number 4303450, is required for JK model years 2007, 2008 and 2011 applications. 2009 and 2010 models may not require the master cylinder, but will benefit from its use. If the master cylinder isn't available, you can use one off of a 2009 or 2010 JK to gain more acceptable pedal feel and function.

Fitment: Details

CA Residents: WARNING: Cancer and Reproductive Harm -

What's in the Box
  • (2) Rotors
  • (4) Pads
  • (2) Calipers
  • Hardware
Installation Info
Will it fit my Wrangler?
  • JK Rubicon 2 Door - 07, 08, 09, 10, 11, 12, 13, 14, 15, 16, 17, 18
  • JK Rubicon 4 Door - 07, 08, 09, 10, 11, 12, 13, 14, 15, 16, 17, 18
  • JK Wrangler 2 Door - 07, 08, 09, 10, 11, 12, 13, 14, 15, 16, 17, 18
  • JK Wrangler 4 Door - 07, 08, 09, 10, 11, 12, 13, 14, 15, 16, 17, 18

    Customer Photos (2) Submit Your Photo

    View All 2 Photos

      Questions & Answers (4)

      4 Top Rated Questions

      I have Fuel Vapor 17X9 wheels. Will this TF Big Brake Kit be compatible with my wheels?

      • The Teraflex Front Big Brake Kit w/ 13.3 in. Vented Slotted Rotors would fit the 17x9 Fuel Vapor wheels. This big brake kit would require a 17" wheel or larger.

      Helpful (0)

      Is there a kit for the rear also?? I'm trying to get away from these awful stock single piston calipers

      • Hello, for the rear the only other complete kit would be the Baer, which you can find here:

      Helpful (0)

      I have a 2014 jku rubicon looking at 16 inch wheels with 4.5 backspacing. will these rotors fit or do i need 17 inch rims thanks

      • Hello, these rotors will require the use of a 17 inch wheel or larger.

      Helpful (0)

      I have a 2013 JKU rubicon. If I use this kit will my master cylinder be be a large enough volume to make it function properly or do I have to get the enhanced master cylinder?

      • Hello, it is not necessary to use the enhanced master cylinder on your 2013 JKU Rubicon.

      Helpful (0)
      Post Your Question

        Customer Reviews (12) Write a Review

        Overall Rating 4.8

        out of 5 stars

        • Fit 5 5
        • Bang For Your Buck 4.416667 4.4

        • 5/5

          May 08, 2018

          A must upgrade.

          A Big improvement in braking over the OEM brakes running 35 x 12.5 x 20. The upgrade was very much needed. Con’s: (1) There is a difference in the orientation on the direction of the slotted rotors in the Teraflex installation video and the shipped installation paper instruction. I called Teraflex and asked why and they said it made no difference for the JKs. (2) No option to order the kit power coated/painted just bare metal. I would have paid extra to have them already powder coated into the color I wanted (3) Kit does not include extended brake lines. Pro’s: (1) Easy install, a direct 1-2-3 bolt on with no special tool required. (2) A Big improvement in braking over the OEM that you can feel right away. (3) No noise so far. (4) Price is OK for what you get in the kit compare to the others. (5) Looks good “Painted RED”


          Year: 2016Submodel: Wrangler

          Helpful (10)

        • 5/5

          April 18, 2018


          I was reluctant at first but after installing them the performance difference is amazing. I have all the stops. The install was very easy. I recommend replacing your brake lines as well since you're there.


          Year: 2011Submodel: Wrangler

          Helpful (10)

        • 4/5

          March 14, 2018

          Big brakes

          delivered on time, exactly what was advertised and expected. Easy install. A considerable difference in stopping. Would recommend to anyone for a brake upgrade. Would also recommend Extreme as your source for all jeep goods.


          Year: 2013Submodel: Rubicon

          Helpful (9)

        • 5/5

          January 27, 2018

          Instant upgrade!

          Extremely better than the tiny factory brakes. Would highly recommend to anyone even if youre not running big tires.


          Year: 2017Submodel: Wrangler

          Helpful (9)

        • 5/5

          January 17, 2018

          Great value and stopping power!

          Low cost big break kit that really made my jeep feel safer to drive. Just be sure to follow the break in procedure and throw on some stainless steel lines and the upgraded master cylinder at the same time!


          Year: 2007Submodel: Wrangler

          Helpful (9)

        • 5/5

          December 04, 2017

          Need more stopping power

          I was having problems stopping the jeep like it was when I had the stock tires. Once I added the 35 inch tires I had to do a Fred Flinston every time I wanted to stop and heaven hope that no one pulled out in front of me. Once I installed the new Teraflex big brake kit all of my concerns were taken care of. As well as not needing so many new shoes.


          Year: 2014Submodel: Wrangler

          Helpful (9)

        • 4/5

          November 24, 2017

          Nice upgrade

          37" tires are nice but the stock brakes were definitely undersized when I up-sized. These new rotors did the trick. I would give them a 5 star rating but they were pricey!


          Year: 2008Submodel: Wrangler

          Helpful (10)

        • 5/5

          July 14, 2017


          Night and day difference over stock. Highly recommended. Also upgraded the rear with the Teraflex kit, as well as the master cylinder. Huge improvement!


          Year: 2016Submodel: Wrangler

          Helpful (10)

        • 5/5

          June 08, 2017

          Excellent performance!! Easy install

          This kid was very easy to install and performs very well. I am going to be going on a road trip to the Tetons and Yellowstone from Arizona towing a camper trailer. My stopping distance has reduced greatly and provides me With quite a bit of peace of mind that I will be able to maneuver my jeep with 305 70/17 Goodyear Kevlar MTR tires installed.


          Year: 2013Submodel: Rubicon

          Helpful (11)

        • 5/5

          April 21, 2017

          Great kit

          Very easy to install. I replaced the brake lines with stainless steel ones at the same time, so installation took a little longer. The instructions stated the brakes will get better after the first few weeks and believe it. Was initially disappointed at the performance after I followed the breakin procedures. After a few weeks of driving, they perform awesome. I feel so much safer with the stopping power now rolling on 37's.


          Year: 2016Submodel: Wrangler

          Helpful (13)

        • 5/5

          November 07, 2016


          Easy installation, big difference on brakes before and after


          Year: 2014Submodel: Wrangler Unlimited

          Helpful (9)

        • 5/5

          October 19, 2016

          Big Brake kit is the way to go

          The Teraflex Big brake kit installed easily and quickly, The instructions and YouTube video was a great help towards that. I definitely have experienced a big difference in braking performance. Highly recommend this upgrade for your JK


          Year: 2016Submodel: Rubicon

          Helpful (9)

        Related Wrangler Categories