The A-1565 M.V. Spares high quality original specification Hexagon Nut used on the starter motor connection stud and also on the original Starter Switch A-7225 which is also available from M.V. Spares. This nut is the larger 9/16" hexagon and is manufactured from the correct grade steel then copper plated exactly the same as the originals. A small finish detail for those wanting to get their engine bay details correct.