03-04 KAWASAKI ZX636: EBC Street Racer Clutch Kit The latest Aramid fiber-lined clutches from EBC for sportbikes and racers. Street Racer Clutch Kits are matched and measured to provide the perfect rebuild and come complete with 15% uprated heavy-duty clutch springs. DuPont&trade; Kevlar&#174; paper-lined set, complete with heavy-duty clutch springs. Friction plates are lined with an Aramid fiber-impregnated lining that grips better and lasts longer than standard cork based plates. Ideal for heavy sportbikes, faster riders and production-based race use.