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Message: <blockquote data-quote="96blak54" data-source="post: 1360255" data-attributes="member: 14727">Fox lake always does nice... awesome work. One of the few companies dedicated their name. This ensures quality goes out the door, but man oh man is it expensive. Rest assure the build will be solid though.IIRC, Back in the hay days of 2v Fox lake pulled off the highest flowing npi intake port. The down fall was a .600" valve lift to achieve 200+cfm. Not a bad thing, but not a good thing either. The npi heads need on average .100" more "low" lift to achieve what a pi head already does. But thats not to say one head is better than the other.</blockquote>