standard shocks won perform correctly with that amount of drop, you may also encounter your driveshafts rubbing on your anitroll bar now and then when the car is heavily ladened and at the end of its suspension travel, uprated antiroll bars are available which have a differnt design so as not to rub, or you can by different drop links to help stop this, id deffo say you want uprated shocks for that kinda drop though sugar
Gaz