SBC heads have or don't have bolt holes on the ends as well as a pattern cast into the ends that helps to ID them. Then there are the casting numbers that ID the heads. Why not search on the casting number?
I have done lots of research. The problem is that the casting numbers are somewhat difficult to read, 186 or 188? I don’t beleave the 188 heads from a 307 had 2.02’s or double humps. If I can figure out how to upgrade my membership I will post the pic’s. Thanks for the reply’s!
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