ST165 Head No EGR

So I recently purchased a head off eBay to replace my cracked one. Everything looked good at first but on closer inspection I saw that it doesn't have an EGR port. That doesn't bother me because I don't mind removing EGR.

I was more interested in seeing if there are any benefits over a USDM head? Both heads have the same casting number but one doesn't have EGR. I was also wondering if the cams were any better than the USDm ones.
Thanks
 
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