I also highly recommend the EBC Greenpads. I had slotted rotors and Hawk pads before these and I like the EBC pads better than the Hawk. I also installed new Powerslot rotors. Both are great pads though. I am looking into the rear disc conversion. It does not look like it going to be too bad. I think it is going to cost around $500-600 with all new parts from Jeep. I actually have not replaced my drums yet and I have 97,000 miles on the truck. It keeps passing inspection. I have replaced the fronts 4-5 times already.

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Black 02 Sport, 255/70/16, Rusty's Lift, K&N, ARB Bull Bar, Hella Lights, Optima Red Top, Streamlight Flashlight, Long Island NY

I just received a set of Akebono pads for the front. I am trying someting different than the Hawk pads that are on there now as they have driven me crazy with all the noise they have made since new.

+1 on the question regarding a disk brake conversion for the 2002 Liberty. I would like to know if anyone has done this. I am sure this should be an OEM parts swap from a newer model, but want to make sure before I buy the parts. Thanks for any info you can provide.