So I'm at the point now where I need to purchase headers, and I'm just figuring out which ones to get to make sure they fit properly. The motor is a 355SBC with AFR 195cc eliminator heads (AFR-1034). The port shape for them says "square," but all of the headers I'm finding that fit the Monte say either oval, D-port, or SAP. Which of these would work with the "square port" heads? I tried reaching out to AFR directly but haven't gotten a response...I'll be trying again today. Thanks for any info you might have!