The Rotrex C30-74 supercharger is an extremely versatile supercharger, and can fit a range of applications. This compact unit is capable of producing up to 300hp, on engine sizes ranging between 1.6-2.5L. Using the patented Rotrex planetary traction drive, the C30-74 has a 9.49:1 drive ratio and can achieve impeller speeds up to 120,000RPM!