Mikuni HSR4HSR45mm flat head carburetor for big bear chopper Harley Electra TM45-2K

Features a redesigned 45mm smooth bore carburetor that brings the engine to its full potential, instant throttle response, improved rider throttle control, adjustable throttle pump, good gas mileage. This carburetor is available to engine builders, who are looking for a specific custom application. Main Jet 165# 175# 180# 185# Kit also includes pictures as checklist, they are for DIY purpose. Smooth bore, flat throttle with rolling bearings, and accelerator pump technology to provide peak performance from idle to wide open throttle are very important: this carburetor does not work with melt control types. Easier and faster installation using stock CV throttle cable. Accepts original HD intake manifold, choke cable, air filter and throttle cable, recommended high flow air filter designed for original CV carbs. Does not include choke cables or knobs, but has internal plungers for use with your own cables and levers. Replaced with Mikuni HSR45 using 1960-1999 Harley-Davidson Big Twin, performance engine factory only for specific custom applications requiring a carburetor, excellent throttle response better rider/bike control to achieve full engine potential, Accelerate and deliver more confidence, the 45mm Rifle Venturi provides tremendous airflow. Mid-range jetting for easy bolt-on mounting to a wide variety of bikes. Package includes 1 air filter intake and 1 new set of additional main jet assemblies, 1 new sport washable CNC aluminum alloy fuel filter