Hi All,

I am going through some heads off a 350 that using new dual valve springs. I have a set of "umbrella" valve seals to use, but it seems like they are pretty tight inside the springs and may not last. Does anyone have any experience on this subject? The motor is going in my 63 K20 project.


JC in KC
"The future will be better tomorrow." Dan Quayle
1965 Chevy C10 Long Fleetside