the application is for a 1963 impala 409 engine 340 hp automatic transmission. I have pictures of a carb I just purchased that I can email ...i tried uploading it to this post but I got file to large error message
I didn't see the part number anywhere on the carb................ I could have missed it, maybe someone will chime in on where a part number would be on the carb.
Alan Colvin notes that the Rochester 2G and 4G carb series (the "C" is for choke) were identified by the triangular stamped tag under an air horn screw. The Quadrajet carbs had a circular ID tag recessed in a cavity in the side of the fuel bowl. Leo