The Carbonite is the most durable product we offer with the highest heat resistance. It is recommended for high end use and has been used in world class racing. It is very popular with the Police Drill Teams around the USA, because of its ability to slip and still maintain durability. It is far and away the best material available and comes with a Lifetime Warranty. Carbonite High Performance Clutch Kits are designed and engineered for maximum performance and durability in the most demanding performance applications.