Welcome,heres how it works...go to this link,and read all of it.
http://www.sr20forum.com/driveline-t...formation.html
You will find answers to all your questions and more.It will help you make your own decision about what coiovers are best.
Then(after reading the above) asking specific questions will get you much more responses.
Be forewarned that our cars are not designed well for "slamming" your car,so if you are looking for the honds syle super low car,you need to go back to Hondas...or you will be buying alot of front end parts and tires.