Got my lift installed yesterday, and one of the guys who helped has a wife with a 2wd KJ and asked good question I couldn't answer. He said he has a left over/used 2.5" BB spacer kit from his Wrangler JK from when he went to a 6" long arm. He said the rear spacers of my 2in. Rusty's BB looks almost identical to his JK spacers he used and mounted on the axle end the same way also he asked if you could use them on his wifes Liberty and then only have to buy a front kit.

So, is it possible to use Wrangler JK rear spacers on the KJ Liberty???

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2005 Black CRD KJ____Full GDE turbo kit, EHM, 6.5L GMCTD lift pump, euro tq conv, 31" Duratracs on 15x7 Procomps w/3.75"bs
2.5" lift, full skids, Super Skink Sliders, front JBA Steel Diff w/True-Trac___Powertax "No-Slip" locker rear
Tow Rig: 2003 Silver 2wd Dodge 2500 reg. cab 5.9 Cummins (highly modded with 550hp/1200tq+)

No,the coil diameter is not the same.It could possibly be modified to work.