Im going to be giving my Furio an engine makeover on friday. Got a few bits for it, but im coming up to a problem. I need the sizes for the following:

Please excuse the pic
Took me ages
Need size for the 90 hose and the joiner.
Any help is great as i've no idea

Please excuse the pic
Need size for the 90 hose and the joiner.
Any help is great as i've no idea