I bought this a couple of years ago and i ended up getting rid of the project s13. Its a 6 puck dics that is spung and has a pressure plate that wont be rediculously hard pedal. The flywheel is a 9lb aluminum flywheel. This setup was custom bulit to be able to handle 500hp. $350 plus shipping. I have pic if you want me to email pic just send me your address.