40. Replacement of Mechanical Parts

During the Event, it is forbidden to replace the following parts on pain of a penalty which may go as far as disqualification:

• the engine, i.e. the turbo(s), the cylinder head(s), cylinder head cover(s), oil pan and engine block, parts that may be attached by means of seals,

• the chassis or the monocoque structure.

Changes which take place before qualifying may be subject to lower penalties, at the discretion of the Stewards. Changes of individual parts of the engine that may be attached by seals, such as the turbo(s), may be subject to lower penalties at the discretion of the Stewards.