ULTIMA R2 Performance Carburetor for Harley S&S Super E Carb Replacement # 42-90

ULTIMA R2 Performance Carburetor for Harley Ultima® is proud to introduce their performance carburetors This carb is directly interchangeable with S&S® Super E Carburetors Ultima® carburetors will accept S&S® jets and S&S® bolt pattern air filter assemblies Ultima carbs feature patented design improvements over S&S® carburetors - a relocated accelerator pump nozzle for increased throttle response and THUNDER JETS are a bolt on! Simply remove the plugs and screw in the Thunder Jet. Thunder Jet sold separately No expensive machining required!  Replaces S&S Super E Carbs using the same Jets High Quality Polished Finish! Includes 2 Styles of Throttle Cable Adapters The use of a S&S type manifold and air cleaner with support is required. Manifold and air cleaner are NOT included 1.875in. Bore and 1.563in. Venturi  Ultima # 42-90