SB Dual Plane Intake Manifold

The only # I see is 360 in a circle in a couple of places. As I recall this was known as the 360 degree Offy. Ican get you a pic, but it may take a while. I am a klutz on the computer and I have forgotten how. PM me of you like,or I can call you if you furnish a phone number. It won't cost me any thing. Jerry