BRAND NEW PART # 11-0420 or 496564 or 1002-0025 S&S SUPER E REPLACEMENT CARB CARBURETOR ONLY FOR MANY HARLEY DAVIDSON MODELS S&S Super E Carb 11-0420 Designed exclusively for Harley-Davidson Big Twin and Sportster engines Butterfly-type carbs with a fully adjustable idle mixture screw and a changeable mid-range and high speed jet Fully adjustable accelerator pump and a variable enrichment/fast idle device for improved throttle response, engine starting and warm-ups Super E has a 1 7/8″ (47.6mm) throat at the butterfly and a 1 9/16″ (39.6mm) venturi and is recommended for use on any displacement Big Twin or Sportster Tech Note: This is the carb only. It does not come with the Intake manifold, air cleaner assembly, & other required parts for a completer install. This is for custom applications or replacement on bikes that already have an S&S setup. If you need a complete kit, we have them listed on ebay as well.