Oil deflector bracket
 

This is the bracket I'm talking about.
There was one in Bank 1 (1-3) cylinder head but not in Bank 2 (4-6).
Is there a reason for this? Or should there be one in each head?
What does this do and is it critical to the function of the engine?
What is curious is that both heads have the boss threaded for this bracket.

http://986forum.com/forums/uploads02...1578365338.jpg