XClutch Stage 1 D&S Organic Clutch Kit | Mitsubishi Lancer Evo 4/5/6 (XKMI23022-1A)1997 2000 Mitsubishi Lancer Evo 4 5 6 Stage 1 Single Sprung Organic Clutch Kit by XClutch XClutch Stage 1 organic upgrades have been designed for performance street applications where driveability is critical. All Stage 1 clutch kits utilise an organic friction material which offers the best driveability in the range. The discs are available in a wide variety of configurations including sprung, rigid and steel backed depending on the specific vehicle.