Mugen | Copper Fibre Clutch System | Honda Civic Type R | FK8 2.0T K20C1 | 2017-2022The disc friction material is made of non asbestos material that combines high strength fibre and copper. Improved wear resistance, heat resistance, and fade resistance at high temperatures. Achieves a high friction coefficient from normal use on the street to high temperatures during circuit driving, ensuring high transmission power at all temperatures. Specially designed small diameter disc, aluminium cover, and chromoly flywheel help to reduce