I was able to hold almost 400 on my stock clutch but I've seen others barely hold bolt ons. I also didn't really launch much. Its probally a gamble to be honest.
2003 Corvette Z06 - MGW shifter, Corsa X pipe, Corsa Xtreme exhaust, Texas Speed long tubes w/o cats, PowerStop rotors/pads, Conti DWS tires, C6Z51 F&R sways, C5R headlights, tuned
04 GTO - sold