360 Magnum building on an existing bottom end

I have no idea if they are a better platform over the stock heads… they look like good replacement type heads… but the are certainly not on the same level as the EQ heads from 5 years ago…

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Thanks. I’m considering a mild porting on my OE heads. Nothing big. Just a valve job and bowl work for a 100% daily driven street car. Dragging my feet on a cam. I have the Hughes spring kit for added lift on the valves.