Get an ACT clutch there are different stages depending on how much hp you want it to hold.
I have a ACT STAGE 2 Turbo SPRING CLUTCH for street performance... Here is a link to a different stage. Heres an Extreme ACT 6 PUCK clutch kit but I hear puck clutchs are a b*tch to drive with.
http://cgi.ebay.com/ebaymotors/ws/eB...spagename=WDVW