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Teraflex Rear Disc Brake Conversion Kit (91-06 Jeep Wrangler YJ & TJ)

Item J13944
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$808.99 (kit)

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      Video Review & Installation

      I'm Ryan from, and this is my review of the Teraflex Rear Disc Brake Kit, fitting on 1987 to 2006 Wranglers. Today we're going to talk through the installation of this kit, which I am going to give a two out of three wrenches. If you do want to tackle this in your driveway, you can probably get the job done in right around three hours or so. The vast majority of the braking power on your Jeep comes from the front brakes, and that's really not going to change if you do a rear disk conversion. You are going to get a little bit more stopping power. But mostly the benefit of a set of brakes like this, in my opinion, is going to be maintenance, where having to change drum brakes all the time can get a little bit tedious with all the strings and clips that you need to swap out. So with something like this, changing the brakes becomes much simpler. You can just unbolt the caliper and swap out the pads. When considering this kit, there are a couple of things to think about. One, you're not going to be able to reinstall the ABS tone ring if you do have ABS on your Jeep. Two, you are going to have purchase an additional kit that's going to have your emergency brake cables, and you're also going to have to change out some of the hard lines in order to make them work with this new kit. And finally, depending on what wheels you have, you may or may not have some clearance issues with the calipers. And you may or may not need to get some longer wheel studs. Now, all-and-all, this is one of a couple different rear disk brake conversions that we offer, and this one is going to be the most expensive. Now, in general, Teraflex makes some very high quality products, and I think this is right along the same lines, very well built and very well put together. However, some of those other kits will save you a couple of dollars if you are on a little bit of a budget. This kit is going to include most of the major components you need to get it installed on your Jeep, but there are those additional considerations that you will need to think about. And some of the other kits on the market do include some of those additional components, and some of those kits are also a little less expensive than this one. So it comes down to your budget and what you're getting for your money. Overall, I think the components in this kit are very high quality. You're going to get, of course, your backing plates that are going to have your caliper brackets built right into them. And these are designed for an emergency brake that goes on the inside of your disk, which is pretty traditional for a disk brake setup like this. Those are going to give you some pretty good folding power.Of course, these are going to come with single piston calipers out back, and your rotors as well. You're going to have your pads, really all the components that you need to get the basic system installed, and then you're going to have to have all those additional parts that we talked about before to really make this work and work properly.So like I said before, two out of three wrenches here. Probably around three hours, and you are going to need quite a few tools out of your toolbox in order to get this installed. The first step is gonna be, of course, jacking up the Jeep, supported by the axle, pull the wheel off and get all the factory braking components out of the way. From there, if you have a C-clip axle, like the Dana 35 factory axle in most TJs and some YJs, and you're going to have to pull your differential cover to get to the C-clip in order to pull the axle out of the axle assembly and get the old backing plate out of the way. Then you can go ahead and start with your new installation using all these components.The backing plate will go in place, then you'll slide your disk over top of your axle. Once that's reinstalled in the Jeep, finally install the new calipers with the caliper pads. Of course, that's a very quick overview. This is something that's probably gonna take you a few hours, probably around three hours to get done. And again, if you're not comfortable doing this much disassembly of your axle, this is something you can take to a shop and have them install. This kit's gonna come in at right around $625, and there are some less expensive kits on the market that I mentioned before that are going to have some additional components. The O-nex 88 Kit does come with those emergency brake cables, and there's a G2 Kit that comes with drilled and slotted rotors, if you're interested in that. Both of those kits are going to be a little bit less expensive than this one. Now, I'm not trying to take anything away from this kit. Again, I think that Teraflex, in general, makes a very high quality product, and I think that the components that are included here are right in line with that, very, very well built. So if you have the budget for it and you're looking for a premium option for a rear disk brake conversion, I would definitely recommend considering this one. So if you're looking to swap those rear drum brakes for a disk brake setup to give you a little bit of additional stopping power, but mostly to make maintenance on your rear brakes that much easier and you have a budget, this is going to be a premium option. So that's my review of the Teraflex Rear Disc Brake Kit, fitting on 1987 to 2006 Wranglers, that you can find right here at

      Product Information

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


      • Rear Disc Conversion Brake Kit
      • High Quality Components
      • Backing Plates w/ Built-In Caliper Brackets
      • Single Piston Calipers
      • Rear Rotors and Pads
      • 3-Hour Bolt-On Upgrade
      • Requires Emergency Brake Cable Kit (sold separately)
      • Required New Hard Lines (sold separately)
      • Fits 1991-2006 Jeep Wranglers w/ Factory Rear Axles


      Disc Conversion. If you're looking for an easier way to maintain the rear brakes on your 1991-2006 Wrangler, this Teraflex Rear Disc Brake Kit is just what you need. You'll obtain a little more stopping power and you can easily change your rotors or pads any time you need to replace or upgrade your components. No more messing with a bunch of springs and other small parts when needing to replace the rear drum brakes.

      Quality Components. The TeraFlex Rear Disc Brake Kit is manufactured within exact tolerances to provide the crucial stopping power that larger tires and extreme off-road situations demand. Made from high quality components including cast iron single piston calipers, this kit includes two backing plates with integrated caliper brackets as well as the rear rotors and pads and is designed for an emergency brake that goes on the inside of the disc. Emergency brake cables are sold separately.

      Installation. This Rear Disc Conversion is intended for use as a bolt-on upgrade to replace factory Jeep Wrangler drum brakes. Taking approximately 3 hours to swap, this kit comes with most of the necessary parts required, though some additional components will be required to get this conversion working and working well. Please see Technical Notes below for more information.

      Application. This Teraflex Rear Disc Brake Kit is designed to fit all 1991-2006 Jeep Wrangler factory rear axles, including the Dana 35 c-clip, Dana 44 and Chrysler 8.25.

      Technical Notes. Requires new emergency brake cables that are available separately. Factory hard brake lines must be replaced with shorter lines. Some factory Jeep 15" wheels may rub on the calipers and you may need to get some longer wheel studs. Do NOT operate the vehicle until you confirm adequate caliper/wheel clearance.


      Teraflex 4354420

      CA Residents: WARNING: Cancer and Reproductive Harm -

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (2) Rear Rotors
      • (2) Rear Backing Plates
      • (4) Rear Pads
      • (2) Rear Calipers
      • (2) Parking Brake Assembly
      • (2) Brake Hoses
      • Hardware

      Customer Reviews (2)

        Reviews of Teraflex Brakes products have an average rating of 4.7 out of 5

          Questions & Answers

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