You get what you pay for, those heads are not even in the same quality universe as the AFR/TFS/Edels etc... I'd just get a set of 205 CC TFS heads and go.
2000 Mustang GT Steeda #0048 34k miles. 99 Cobra 4V swapped, FTBR IRS swapped, exhaust, tuned by James Gordon.
Just because I give you advice, doesn't mean I know more than you. Its just means I've done more stupid ****.