Xtreme Clutch - Single Rigid Solid Organic Focus ST250Xtreme Clutch has been at the forefront of performance clutch technology for decades. The in house testing machinery and close bonds with motorsport has allowed Xtreme to do extensive testing on various combinations of materials and disc designs to suit high performance and racing applications. The Xtreme Clutch name has become synonymous with high performance. Xtreme has earned its reputation as Australias largest manufacturer and stockist of clutch