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RT Off-Road Dual Diaphragm Power Brake Booster Conversion Kit (97-06 Jeep Wrangler TJ)

ExtremeTerrain no longer carries the RT Off-Road Dual Diaphragm Power Brake Booster Conversion Kit (97-06 Jeep Wrangler TJ). Please check out 1997-2006 TJ Jeep Wrangler Brake Master Cylinders & Boosters for an updated selection.
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These heavy duty power brake conversion kits convert a single diaphragm booster to a dual diaphragm, Setup which creates more stopping power with less pedal pressure.

Fits: Jeep Wrangler (1997-2006),1 1/8" MC Bore Size,4 wheel disc brakes or aftermarket axles. NOTE: Engine vacuum needs to be a minimum of 18 inches of vacuum at idle when engine is warm for power brake setup to function properly. Please confirm prior to ordering.

Fitment: 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 Details


CA Residents: WARNING: Cancer and Reproductive Harm -

Installation Info
Will it fit my Wrangler?
  • TJ Rubicon 2 Door - 03, 04, 05, 06
  • TJ Rubicon Unlimited 2 Door - 05, 06
  • TJ Wrangler 2 Door - 97, 98, 99, 00, 01, 02, 03, 04, 05, 06
  • TJ Wrangler Unlimited 2 Door - 04, 05, 06

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Questions & Answers (1)

1 Top Rated Question

Hello. Does this come with the proportioning valve as pictured?. Is this a direct fit for a 2004 LJ or are modifications needed?

  • This does not come with a proportioning valve, you would re-use the existing one.

Helpful (0)
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Customer Reviews (3) Write a Review

Overall Rating 2.7

out of 5 stars

  • Fit 4 4
  • Bang For Your Buck 4 4

  • 1/5

    December 13, 2018

    The fit was fine but...

    The fit was on par with the stock one, however, I installed it and it was leaking, I took it to a shop to fix it because, well, at this point, why not. They took it apart and put new seals in it. Also, the product image is not even close to what I got. I should post a picture of the one I got to show the differences. I'm honestly really disappointed.


    Year: 2003Submodel: Wrangler

    Helpful (10)

  • 2/5

    February 28, 2018

    Fitment isn’t exact (99 TJ)

    Im in the middle of installation. So far, old brackets havent matched up to the new studs on the booster so I have to do some cutting. Also, it doesnt mention in the kit that you literally have to special order parts for 2 new brake lines that YOU have to custom make yourself. Thankfully they provide the part numbers.... towards the end of the instructions.


    Year: 1999Submodel: Wrangler

    Helpful (14)

  • 5/5

    January 11, 2017

    Improved braking

    Really improved my braking.probably vut my braking distance in half


    Year: 1997Submodel: Wrangler

    Helpful (15)

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