Jim (John here) -- Yes. Each valve had both -- the O-ring AND the umbrella cap. So little to no oil was lubricating the valve stem leading to excessive wear on the valve guides.

John

~ Peggy M
1949 Chevrolet 3804
"Charlie" - The Stovebolt Flagship
In the Gallery
"We make a living by what we get; we make a life by what we give." -- Winston Churchill