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SKU: R2048 Ford 9" Weld On Disc Brake Conversion Kit, 3.5" Axle Tube

Ford 9" Weld On Disc Brake Conversion Kit, 3.5" Axle Tube
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Purchase Ford 9" Weld On Disc Brake Conversion Kit, 3.5" Axle Tube
  • Ford 9" Weld On Disc Brake Conversion Kit, 3.5" Axle Tube

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  • Part Number: R2048
  • Shipping Weight: 77.00 pounds

  • $369.00

  • This Product Qualifies for FREE Shipping!
  • Upgrade to Parking Brake Calipers?:  
    Upgrade to Steel Braided Brake Hose?:  

Ford 9" Weld On Disc Brake Kit, 3.5" Axle Tube

Our disc brake conversion kits are the best conversion to eliminate drum brakes, in many cases it is less expensive to switch to disc brakes than to rebuild drum brakes. Changing from drum brakes to disc brakes is easy, and all the parts you need to complete the conversion and get rid of those heavy drum brakes are included in this kit. In the end you will have an axle that stops better, is easier to maintain, and weighs a lot less.

The Ford 9" axle is one of my favorites. The fact they have been around since 1954 and only stopped production in the late '90's shows just how good the axle really is! The fact that it was standard in everything from smaller dump trucks in the 50's, full size sedans in the 60's, 70's & 80's, and Ford trucks from the F150 through many of the F250's shows its versatility. Lastly we have NASCAR, I know we are an offroad parts company but NASCAR adopted this axle early on and made pretty much any gearing available and kept the cost down.

The only reason these are weld on brackets only is that the Ford 9" axle had 3 different flanges over the years and the housings can be difficult to identify. This kit is for a 3.5" tube which is common on many aftermarket axle housings, this kit comes comes with Ford 5 lug rotors from the front axle of an '89 Ford bronco. 


  • Requires single steel wheel 15" with a maximum 4" back spacing or larger for aluminum wheels


  • For slip over rotors, you may need to machine down the axle shaft flange for the rotor to slide over
  • Don't forget to re-bleed your brakes once you've installed your new conversion kit.
  • An adjustable proportioning valve is recommended, this will allow you to fine tune your front/rear stopping power bias. Your front axle should always do about 70% of the work.

Complete Kit Includes:

  • 1 Pair 3.5" ID Weld On Disc Brake Brackets
  • 2 Weld on Brake Line Tabs
  • 2 Brake Line Clips
  • 2 Brake Calipers
  • 2 Hydraulic Hoses with Banjo Bolt Fittings (Your hard line requires a 3/8-24" inverted flare fitting for these hoses to bolt to)
  • Standard Calipers come with 10mm Banjo Bolts. El Dorado Calipers come with 7/16" Banjo Bolts
  • 4 New Brake Pads
  • 2 New Rotors 5x5.5 pattern

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⚠ WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer. For more information, go to
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