Got some heads into today what do I have?

[2002_red_gts]

I bought these heads off another member here on the forum now im trying to figure out what I have. The heads have some porting done but Im not sure how much have been dont since I havent seen stock heads to compare. The heads do have one vavle set coming out and they will need to be milled but I was planning on sending these off to a porter to get more work done. Should I have them ported or not waste the money

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[DrumrBoy]

From the pix its very hard to tell what they'll flow. I'd recommend sending them to Greg Good unless you can find a flow bench somewhere and test the existing job.