Kraftwerks Performance Group is proud to bring you the most advanced supercharger system available. At the core of each Kraftwerks supercharger kit is the revolutionary and patented Rotrex, traction-drive supercharger. The proprietary design allows for reduced weight; smaller, quieter, cooler operation; and shaft speeds in excess of 200,000 rpm. No other forced induction method can compare to Rotrex's superior efficiency, unmatched performance, reduced emissions, and transient response. Kraftwerks supercharger systems are designed to deliver broad, usable power gainsâ€”ideal for street cars and track cars alike. No other supercharger kit or turbocharger system can compare. Kraftwerks supercharger kits represent the pinnacle of forced induction, having demonstrated gains in excess of 100% across the entire powerband on a number of applications.