I see many Italian brands to pursue. I was hoping someone would have experience with this topic and suppliers.
Square top, tapered lower outer end, parallel striations, no branding,
Quite a list to wade thru, probably more.
Aprilia, Atala (company), Benelli (motorcycles), Gruppo Bertone, Beta (motorcycle manufacturer), Bimota, Borile, Cagiva, Ceccato motorcycles, Di Blasi Industriale, Ducati Motor Holding S.p.A., Energica Motor Company, Fantic Motor, Galbusera, Garelli Motorcycles, Ghezzi & Brian, Gilera, Italjet, Itom, KRC Motors, Lambretta, Magni (motorcycle), Malaguti’ Minarelli, Mondial (motorcycle manufacturer), Moto Guzzi, Moto Morini, Motobi, , MV Agusta, Paton (motorcycles), Piaggio, Polini, Speed Up, SWM (motorcycles), Tamburini Corse, Terra Modena, Vespa, Viarelli, Vyrus