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FJ40 Full-Floater Conversion Kit

FJ40 Full-Floater Conversion Kit

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Product Description

This product is currently on production hold. Due to low demand, we will not produce more of these kits until we have at least 5 Kits committed.  Currently we have 1 commitment, Tom P.

We can always build a new Full Float Diamond Axle Housing, any width/offset/brake setup to match your build needs


Front Range Offroad offers this Full Float kit for your FJ40 rear axle! This kit is BOLT ON to the stock 6 bolt axle flange! This simple kit utilizes the same spindles, hubs, calipers, and rotors as your disk brake front axle, for GREATLY improved braking, and parts you are already familiar with.

Features of Kit:

  • Eliminates C-clip design!
  • Heavy duty design
  • Nearly retains stock width, only ½” added to total axle width
  • Allows install of stronger, non-clip designed ARB locker, RD142 instead of RD153
  • Option to add 3.75” total width 
  • Optional use of locking hubs for flat towing your Cruiser!
  • Option for disk brake, AND ebrake with additional Drotor Brake Upgrade Kit!
  • Fits offset, common USA spec fj40 rear axles

Front Range Offroad FJ40 Full Float Kit includes:

  • CNC machined billet Adapter Rings
  • CNC machined Seal Holders
  • Axle Shafts seals
  • 4340 heat treated, Chrome-moly axle shafts, with extra long splines on short axle for use with E-locker

We do recommend upgrading to Front Range ARP Hub Studs Upgrade with the Full Float kit. Also locking hubs should be used when needed for flat towing, where we recommend Diamond Axle Drive Flanges for hard trail use.

Note: You will need to trim the axle housing outboard of the flange down to ½” or less length.

Please note, this kit is for axle housings with 6 bolt flanges, if you have a late FJ40 with a 4 bolt flange, please check our FJ60 Full Float kit!

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