valve seals

Hi, new here. My replacing the valve stem seals and the like outer part where the bottom of the seals meets on the valve is lower then the rest to the point where I can't get the valve seal to go on

Hello foresters of the internet. I need your help. My 2012 N/A forester goes through.. a lot... of oil. I've been trying my best to diagnose it. I've come to the conclusion that it is not leaking. I'm burning it. So after talking around and asking some friends and a couple mechanics, we agree...