A twin disc—often referred to in automotive and industrial contexts as a twin-disc or dual-disc clutch system—is a specialized mechanical clutch configuration utilizing two separate friction discs instead of a single disc. This design doubles the total surface area available to transfer torque from the engine to the transmission, allowing the drivetrain to handle significantly higher horsepower and aggressive launch loads without slipping. They are widely utilized in high-performance modified sports cars, heavy-duty commercial applications, and specialized marine or industrial transmissions.