With one of the world's most advanced clutch testing and R&D facilities, in-house vehicle testing and over 30 years of clutch experience, XClutch performance upgrades offer the highest levels of engineering and product development for your street vehicle, 4x4 or dedicated race car. XClutch utilizes the latest ceramic technology in their Stage 2 performance kits. The kits are available with either a cushioned or a sprung style friction disc.