Found at a collector of documents, here is a bill of November 28, 1946 by the Fabbrica Nazionale PistoniPietro Gandini to Officine Meccaniche Vergera (then MV Agusta): In 1946 the first model "MV Agusta 98" was built and it is at that year that the MV Agusta officially begins the competitive activity.
The Fabbrica Nazionale Pistoni Pietro Gandini will become a regular supplier of pistons and segments.