It would've been helpful, and it should be in the AMES parts description, but it wasn't, anymore, a guy building an old car HAS to double check everything when he orders and after he receives the parts. I do tons of research before I order anything, and I still run into a lot of ill fitting or poorly made pieces, just mark it as a lesson learned and focus on the next task. A 67-69 firebird is a lot better looking car ( says me) than a camaro, and I wouldn't have any issues installing a built sbc into one.