These Australian Made Stage 1 clutch kits use an upgraded pressure plate with increased clamping pressure, combined with an organic friction disc. The Xtreme Stage 1 delivers substantial increases in performance and power holding capability whilst retaining near factory type driveability, and is designed primarily for high performance road going vehicles. These kits feature a high quality cover with increased clamping force compared with standard, between 20-40% depending on the demands of the individual vehicle.