Description
These caps are the newer coarse thread caps that we install on all new builds. They will fit-
- all Halcyon 450s
- all Halcyon 250s after production number #350
- all Gryffin 250s after production number #35
- all Phoenix 250s after production number #50
If you have any questions about the threading on your Janus motorcycle fuel tank, please call our service department for help.