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. The XClutch 9 inch kit is one of XClutch's most adaptable kits for performance upgrades and conversions. Offering very high torque capacity and available with organic, ceramic and carbon friction materials, the 9 inch performance clutch is used in high power street cars and race cars around the world.