S&amp,S Cycle Super &lsquo,G&rsquo, Carburetor Only 11-0421 Larger 2-1/16" bore allows more air to flow for more peak horsepower Recommended for larger displacement engines over 100 cu. in. Accepts stock late model throttle cables on all Big Twin models Carb only no hardware, manifold or air cleaner assembly Great for replacing an existing carb or an extra back up for race day