None were found in Italy, as Italian taxation system and the industry structure forced manufacturers to design every part in-house; a daunting task for small companies like Maserati. Thus the 3500 GT alongside Italian Weber carburettors and Marelli ignition, used many British-made components such as a Salisbury rear axle, Girling brakes and Alford & Alder suspension parts.
In Italy, due to tax policies and industry regulations that required in-house design of all components, it was difficult for small companies like Maserati. Consequently, the 3500 GT incorporated many British-made parts including a Salisbury rear axle, Girling brakes, and Alford & Alder suspension alongside Italian Weber carburettors and Marelli ignition.