top end gasket kit questions

hey guys sorta a stupid question. Last time i did my top end (2 years ago) i didn't replace the orings and seal that came with the kit because the bike was still relatively new. However, its a 2009 and i want to replace everything while i have it apart. Im not sure what these o-rings go to or the seal. I don't believe they are for the spark plug because both spark plug orings are the same size. Any help is appreciated. 



there is two different orings, one below the cam caps over the spark plug hole and one below the cam cover, both stop oil getting into the spark plug hole. 

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