Is this even possible???

zakimodo said
They are the Mopar perf. valve covers. I have seen how big of a PITA they can be on big blocks

Any body know if reusable steel core rubber gaskets are available. I used to work on CAT equipment, they used that type of gasket in some applications and we never had leaks.
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Moroso # 93050 or Mopar perf. P5249581. I don't know how thick the Mopar perf. ones are but the Moroso gaskets are nearly 3/16" thick so they might raise the v. covers up away from the intake for more clearance.