For ride harshness, consider different shocks, as well as your tire PSI.

For ride height, consider changing the front hangers (and maybe the rear hangers, too).

Or, just change the leafs all together.

Mopar Mitch "Road racers and autocrossers go in deeper and come out harder!"... and rain never stops us from having fun with our cars... in fact, it makes us better drivers! Check out MOPAR ACTION MAGAZINE, August 2006 issue for feature article and specs on my autocross T/A!