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Message: <blockquote data-quote="97orngegt" data-source="post: 489974" data-attributes="member: 10604"><p>Thats what I have researched. P&P'd NPI heads will flow the same or alittle better than a stock PI head. How much will a P&P cost me (estimate)? I was just going to buy a PI head kit that i found, but Im getting these heads and cams for free. Or I might just install these heads and cams and have my old heads rebuilt and P&P'd, and save them for when i rebuild my motor next winter. Can the NPI heads handle the lift of the PI cams without any trouble?? Thanks for your guys help. :headbang:</p></blockquote><p></p>