A reinforced clutch cover has fundamental advantages against an OE clutch cover, such as a higher transmittable torque and higher resistance against thrust. It also allows for faster and sportier gearshifts. That makes it extremely useful for street tuning, endurance races, hill climbing (group N) and for vehicles that are often driven with their maximum gross vehicle weight (construction-site vehicles, ambulances, courier services such as UPS, TNT; DHL, etc.). Both rigid and torsion damper clutch discs are available. Clutch discs with torsion springs function as a vibration damper between engine and gearbox. Due to reinforced clutch components the pedal force can increase and the modulation range can be reduced. Additional clutch and gear noises can appear. Performance clutch disc differences to OE: higher thermal capacity compared to organic friction material, higher transmittable torque compared to organic friction material, very dirt resistant, aggressive start performance, effortless exchange with OE clutches. Typical applications include: race circuit (endurance race, clubsport, autocross), hill climbing (e.g. group N), rally, slalom, drift racing, 1/4 mile-race rigid sintered plate