Valve guide seals 5/16" solid Viton
These solid Viton® valve guide seals are made specifically to fit Kibblewhite valve guides that are machined for positive seals. All Triumph, BSA, and Norton valve guides with a 5/16" stem use these seals.
These will only fit guides that are machined for seals.
We can supply any other Kibblewhite seals, please contact the shop with your requirements.