25-Pack Button Head Allen Bolt Stainless 10-24 by Gardner Westcott

Air inlet in the upper area and rear extractor for optimal ventilation

Can be used with stock

For those looking for extra support

Matches the ISO series

mikuni hsr42 approved carburetor for harley BS365 25-Pack Button Head Allen BoltMikuni HSR42 Approved Carburetor for Harley If you're dialing in a custom build and need serious performance, this high flow carb is what you're after. The Mikuni HSR42 gives you fast throttle response and smooth power delivery, perfect for tuned engines that need more than a stock setup. This carburetor comes with approval documents for the chosen model. Features: 42mm smoothbore design for maximum airflow and performance Improved throttle response