How bout a pic from above of the whole head?
Those seals appear to be the umbrella type that simply cling to the valve stem and ride up and down with the valve. When installed they can be pushed all the way down but when the valves cycle one time, they get pushed up to where they will stay.
Those seals appear to be the umbrella type that simply cling to the valve stem and ride up and down with the valve. When installed they can be pushed all the way down but when the valves cycle one time, they get pushed up to where they will stay.