340 manifolds
middleagecrisis, I realize the picture is only an illistration, and no, I haven't personally tried them. However, there was a thread, here on FABO I believe, a few weeks ago about someone who had installed a set on a SB engine for an EARLY A-body and they ran right into just about everything in the engine compartment. In a post 66 A body, they may very well fit. :)