234863 Carburetor for Custom Applications 45MM Carburetor Only

Designed for large displacement and high-performance V-Twin engines, the Mikuni HSR45 SmoothBore carburetor features a massive 45mm venturi to provide unrestricted airflow. This kit includes the carburetor, a comprehensive jet kit, a K&N air filter, and a polished chrome air cleaner cover for a complete intake overhaul. The HSR45 is engineered to eliminate intake restrictions, delivering maximum air-fuel mixture to highly modified engines for significant gains in horsepower and torque. Mikuni’s smoothbore technology ensures precise throttle control and consistent performance, making it a top-tier choice for performance-focused Harley-Davidson builds where maximum flow and reliable fuel metering are the primary requirements.