Another thing about the new Hookers. They do not have a flat flange on them. They have raised welded in O ring on each port. So the copper gaskets I've always used..leaked on every port. A lightbulb went on..when I was in total disgust over the headers once again. I noticed the gaskets they included were a crushed graphite type. I swapped in a set of Remflex gaskets and the seal is perfect.
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