Competition Clutch Stage 4 Replacement Disc | 2001-2015 Mitsubishi Lancer Evolution (381106-1620)Evo IV X Stage 4 Sprung Disc by Competition Clutch Competition Clutch 6 pad sprung replacement clutch disc for the 5152 and 5153, Stage 4, 1620 single plate clutch kits for the Evo IV X models. This disc will work with any 5152 or 5153 Evo single plate clutch kit if you want to change your existing set up. Features Fits 5152 and 5153 Single Plate clutch kits. Not compatible with Multi Plate twin or triple kits. 6 Pad Sprung Disc Weighs 3. 2 pounds