Anyone here running these or something like these? what are the purpose of these versus stock?

http://www.summitracing.com/parts/SIT-10-2032AR/

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'02 KJ Green, 143,293 miles, 3.5" lift, TB Spacer, AFE air intake, 32x11.5-15's, Cragar Soft 8's, Curt front hitch, and some other things.

Those are not for a KJ.Those are for a TJ,keeps junk out of the axle tubes on the D30.

can you get those for the KJ?

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'02 KJ Green, 143,293 miles, 3.5" lift, TB Spacer, AFE air intake, 32x11.5-15's, Cragar Soft 8's, Curt front hitch, and some other things.

Look under the front of your Liberty, It has CV shafts that butt against the housing with an internal seal. So the Answer is No you can't get them for a Liberty or Modify them to work with a Liberty.

Well you can modify a Liberty so you can use them but that means you must SFA and use a D30 front diff from a TJ/XJ.

gotcha

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'02 KJ Green, 143,293 miles, 3.5" lift, TB Spacer, AFE air intake, 32x11.5-15's, Cragar Soft 8's, Curt front hitch, and some other things.

lol Check and Check