Offshoreonly.com - What valve seals for 1990 454 mag engine????

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blownsvt1

03-05-2018 03:01 PM

What valve seals for 1990 454 mag engine????

I am replacing valve springs and want to replace the valve seals, do I use the 3/8 .700 rubber caps? Thanks!

Young Performance

03-06-2018 07:42 AM

We always cut the guides for a .530 PC seal. Any local machine shop can do that for not that much money. They are far better then the umbrella seals.
Eddie

f_inscreenname

03-07-2018 08:01 PM

I bought a seal stem cutter from summit because I had so many heads to do and the umbrellas suck.

sutphen 30

03-07-2018 08:40 PM

how many hours on these engines?

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