BRODIX spec heads sbc good 406 head ?

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I just recieved a new sbc 406 built (6 " rod flat top 2 valve relief) ,came with new out of the box brodix spec heads 2.08 /1.6 valves 215 runners angle plug .The aluminum is thick and not worried about that ,but do have a set of dart iron eagle 230 's or a pair of 220's sitting on the shelf waiting to be used.I am one to be stuck on aluminum so the factor for me is best all around performance street/strip fun .My issue is that This is my first set of sbc Brodix heads and being set up for 1/2 mile IMCA racing (purchased for this racing ) .Thank you for any info or input on this issue will help !!!