62mm Supercharger Steel Pulley for Mercedes 1.8 Kompressor M271Supercharger Steel Pulley for Mercedes 1. 8 Kompressor M271 designed to increase the pressure up to 0. 5 bar, our pulley offers an increase in power up to 20 hp with a significant torque gain throughout the whole rev range. Combine this with our ECU remapping to get +40hp, compared to stock. Unlike other pressure boosting methods, the RTMG Mercedes M271 pulley is designed to not exceed the limits of the stock supercharger, resulting in maximum