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I have 3 (that's right, three) bare Chevy "Bowtie" aluminum 23 degree cylinder heads for 90 degree V6's. These heads have never been assembled, and have never been torqued to a block. They have been lightly bolted onto a block for mock-up purposes only. 2 of the 3 have been gasket matched to an...

Hi guys - long time lurker, first time poster with a question about a set of older 23 degree Bowtie aluminum heads. I have access to a set of these heads (GM part# 14044802, casting # 14011053), and I'm wondering if these are a good choice for use in a Sy/Ty application. These are bare heads -...