No signs of any damage? Was the jeep involved in any accident before?
There are adjustable ball joints available which could adjust a bit the camber angle. Rockauto.com has them, but first you need to be sure that nothing else is wrong.
JEEP Grand Cherokee 4.7 Lmtd 2004
HID 8000K in low and fog / Quad Squad member
KYB Gas-a-Just shocks / Pirelli Scorpion ATR 245/65/17 - Transgo reprogramming shiftkit.