Bikers Choice Evolution Cam Big Twin Breather Bolt Kit 1/2-13 X 1.5in

If you're building a custom Big Twin or looking to clean up your engine bay, proper crankcase ventilation is key. This breather bolt kit from Bikers Choice is designed to help you manage crankcase pressure and reduce oil mist carryover, keeping your engine running cleaner.

This kit includes the necessary breather hardware and fittings to route vapors away from your air cleaner and engine. It's a well-built solution for performance or custom builds where a clean and reliable crankcase ventilation setup is important. It ensures your engine can breathe freely while minimizing oil blow-by.