My head are a 441 casting and we have been having heck with those cheap stamped covers leaking, possibly from being distorted from over tightening? Anyway I was trying to get some opinions on the fabricated covers from kmj performance. They seem rigid and have a flush bottom where you could get a good seal on the head. Also, is it necessary to run the 5/16" thick gaskets with these or will a regular thin gasket work? Also, what is the best adhesive to use to glue the gasket? Thanks for any help!
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