Super E Carburetor Kit for 1979-1984 Harley-Davidson Big TwinSuper E Carburetor Kit for 1979 1984 Harley Davidson Big Twin The Shovelhead responds well to fuel tuning, like most other engines. The Super E was invented after the Shovelhead's reign, but the carb and items in this kit are an instant way to update your cone motor and get it running just right. Four fuel delivery ports resulting in better throttle response O ring sealed idle mixture screw Increased airflowthe stinger in the classic teardrop air