From Pro Stock racers to everyday Street Bikes, MIKUNI offers a carburetor set engineered for maximum performance and efficiency. Mikuni Radial Flat Slide racing carburetors are the answer for todays high-technology, high velocity four valve per cylinder motorcycle engines. With high port velocity, larger carburetor venturis can be used. The built-in accelerator pump gives instant throttle response. Horsepower advantages can only be rivaled by very expensive on-off type race-only carburetors. Idle and choke circuits allow these carburetors to be street driven daily without any problems. A Pingel dual outlet fuel valve is recommended for use with these carburetors.