He's the man! I might have a couple of those fittings if you need one but I also need one. One is at a 90 for both the head and the water outlet and the other has a slight angle on the outlet pipe (where you might screw in a petcock to shutoff the water flow in the summer). The fitting in the picture (a friends Olds, mounted on an extension pipe to the head) if you look close, has a slight angle to the area where the shutoff is screwed into. I would probably keep the angled one so I'd have the straight 90 one available. I believe that is the correct version for the Chevy anyway.