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 cars need to have at least 25 identical cars produced within a 12-month period and they were meant for normal sale to individual purchasers. However, FIA rules tend to allow a degree of modification from the original. Another example is the Utah Salt Flats Racing Association which is concerned solely with the speed of a vehicle. The Association uses its own definition of a production vehicle. The Association allows quite a high level of modification over the original. In 2006 a Pontiac TransAm of John Rains Racing was classified as being the fastest production model (Bonneville D/PS class) with a