Do AoS or Primaris heads fit on the new Custodes?

[Lathe Biosas]

Because I like my life to be difficult, I've been swapping the heads for my Sisters of Silence (hoods just look more sinister) and now I'd like to the same to the new Custodes models.

 

Do any of the AoS (Stormcast Eternals or others) or Space Marine Primaris helmets fit the new Custodes bodies?

[Evil Eye]

(Disclaimer: I do not own the new Custodes)

 

Theoretically I see no reason why not; you might have to either fill in or carve out the necks depending on the connection, but a head is a head, to some degree )unless it has very unusual features like large horns or whatever). I can't imagine it being very difficult as they already wear power armour.