Manganese Bronze Holdings the early 1960s Manganese Bronze Bearings Ltd (as it was then known) was taken over by a Dennis Poore investment vehicle, Villiers Engineering Ltd, a motorcycle company chiefly known for its range of engines, creating Manganese Bronze Holdings Ltd. This company subsequently bought Associated Motor Cycles Ltd, owners of the Norton AJS and Matchless motorcycle brands in 1964. Manganese absorbed part of the Birmingham Small Arms Company in 1973 - which included Carbodies, the Coventry-based London taxicab maker, under chairman Dennis Poore, as part of a rescue plan initiated by the British government. BSA Motorcycles interests trading as Triumph were
Production vehicle model with the same specifications. There is no fixed definition of the number of vehicles or the amount of modification allowed outside of motorsports or national regulations or laws that determine what is or is not a production vehicle. For example, Guinness recognises a modified 2-seat Jaguar XK120 as the world's fastest production car in 1949. In 2010 the "Guinness Book of Records" awarded the record for the ‘Fastest production car’ to the Bugatti Veyron Super Sport. In 2013 their decision was appealed on the ground that the Bugatti was a modified version - the limiter was turned off, a