12cm wide x 4cm high

Fits Kellermann BL1000 21W models

9kg for Softail models

available in black

o-rings and installation hardware

mikuni hsr42 approved carburetor for harley BS90 12cm wide x 4cm highMikuni 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