On a 2dr 98 chevy cavalier, what are all the parts i need to lower my cavalier a good 3 inches (or 2 snug up to 18's). And where can i get them? Prefered brand names too..

cavy:bagged easystreet front, bags to be in in back soon, tubd, 18s.
celica gt-s:6speed, AEM Cold air, hi flow cat, muffler deletion, NGK plugs, Carbon fiber headliner, B&M shift kit, sportline 2.2" drop, factory rear disk brakes

1/4: 14.5sec. top speed: 145mph
my sportlines and konis, check out the regional forums in the nd part