Originally Posted by bkleeman

Get the front as stiff as you can - you probably won't over do it. We're running between 1000 - 1200 lb/in front springs (900-1000 in the rear) with a custom swaybar made from .120 wall roll bar tube and the front still rolls over more than we'd like. See pic:

Hotchkis is the stiffest off-the-shelf bar that I know of tho, so you're left with just upping the spring rates.