- These high-performance carburetors are ideal for realizing the maximum potential from custom and race engines
- Includes rubber mounting flange with 78mm bolt hole centers, choke cable and four different main jets
- HSR smoothbore carbs offer excellent throttle response and control
- Recommended for engines over 1200cc or larger
- Use stock Harley-Davidson throttle cables
- Well-made for years of dependable service
- Made in Japan
- For race and custom applications only.