Daemongar: hmmm, interesting. Exedy makes the stock pressure plate that ACT modifies (and that comes stock in the car).
Promo on http://www.prostreetonline.com/ : Exedy / Exedy clutches is the undisputed world leader in the manufacturing of sports and performance clutches. They supply all six vehicle manufacturing race and rally teams in Japan. Exedy's high technology 5inch Titanium built carbon - carbon clutches have won Formula One races. Exedy has a clutch for all performance enthusiast; from street/strip to all out drag and circuit racing. Exedy offers single plate organic and ceramic clutch kits to high performance power holding Hyper Series single plate kits and Hyper Multi-Plate kits.