I am looking on ebay just at a cheap suspension lift 3". What exactly do I need? Just that and the extended pitman arm?

http://cgi.ebay.com/ebaymotors/Jeep-Cherokee-XJ-3-LIFT-KIT-Best-Economy-Lift-Kit_W0QQitemZ350182340328QQcmdZViewItemQQptZMotors_Car_Truck_Parts_Accessories?hash=item350182340328&_trksid=p4506.c0.m245&_trkparms=72:1205|65:12|39:1|240:1318#ht_1455wt_1191

http://cgi.ebay.com/ebaymotors/Jeep-Cherokee-XJ-DROP-PITMAN-ARM-84-01-for-3-5-lifts_W0QQcmdZViewItemQQcategoryZ33585QQihZ007QQitemZ170312489282QQrdZ1QQsspagenameZWDVW#ht_1312wt_1191