1997 style w2 race heads small block p4532693

who ported the first head? and who ported the second head? and without flow numbers how are we sure these heads are even close to being the same? or even good? or ported correctly?
I ported both heads done over 30 sets of small block heads all made good power..tf guy offered me 500.00 dollars for these heads shipped to him would cost 101.00 dollars to ship so he whated them 399.00 dollars I have over 1800.00 in these heads.. all new parts 30 passes ago with out my labor..
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