For 55-06 Big Twin and 57-06 XL. CARBURETOR, SUPER E. Four fuel delivery ports for better fuel flow. O-ring sealed idle mixture screw. Increased airflow for more horsepower. Adjustable accelerator pump for quick throttle response and easy starting. Uses the OEM dual-cable throttle system for smooth, reliable operation. Variable position enrichment starting system. High-quality fit and finish. Super E carburetors have 17/8?" throat at the butterfly and a 1.5625" venturi; recommended for use on Big Twin or XL engines up to 100 cubic inches in displacement. Super G carburetors have a 21/16?" throat at the butterfly and a 1.75" venturi; recommended for use on high-performance and modified engines 90 cubic inches or larger in displacement. Super G carburetors are not recommended for smaller-displacement, low compression engines. Big bore carburetors also available (see chart); feature a larger venturi for more airflow. Sold each. - Part Number - 1002-0025
