couldn't find it ANYWHERE!

correcting casting number for a

72 chevelle 454 LS5 manual 4 speed...

was it 215 or 220? for get...

7042215 Manual transmission

7042220 Auto transmission

And those arn't casting number's.
There application number's stamped in the body of the carb.

Those #s are stamped on the vertical flats behind the throttle linkage