I am trying to put my banshee back together today but have a few question i need awnsers for...

1) Gasket wise does it matter what side goes up or down on the base, and head gasket...if so which is top and which is bottom?

2) I got the Vito's hemi head and there is 2 brown o-rings and I don't know where they go?

Any help will be appercated... Thanks!