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I use Superformance intake gaskets with ported heads. I had the same problem that you're having so I designed a set of gasket carriers "batwings" to seal to the valley plate. You can now buy the valley plate and gasket carriers from Hughes Engines or Mancini Racing.
I use Superformance intake gaskets with ported heads. I had the same problem that you're having so I designed a set of gasket carriers "batwings" to seal to the valley plate. You can now buy the valley plate and gasket carriers from Hughes Engines or Mancini Racing.