ATHENA Racing air-cooled aluminum cylinder head for 50cc kit Ø39mm for ZUNDAPP FAMMEL, SUPER TERM ... 50

High compression cylinder head model big volume ATHENA Racing kit 50cc or cylinder of origin! The chamber of this breech is Ø39mm, polished finish, frustoconical ... A very nice piece of old and rare engines ZUNDAPP SUPER TERM, FAMMEL ...