Carburettors; control mechanisms for machines, engines or motors; cylinder heads for engines; exhausts for motors and engines; fuel conversion apparatus for internal combustion engines; fuel economisers for motors and engines; igniting devices for internal combustion engines; injectors for engines; pistons for engines; radiators for motors and engines; sparking plugs for internal combustion engines; speed governors for machines, engines and motors; stators (parts of machines); super chargers; turbo compressors; valves (parts of machines)

Electronic engine management units; electronic control units for motors and engines; dynamometers