I believe I have a numbers correct 'stack' of carb, governor, intake and exhaust, and vacuum fitting for a G506.
Pics:
The governor checks out per the SNL, the intake did not have a number, but the location of the features looks OK, and the exhaust does have a number: 839130 (the first number could be an 8 or 9, the third number could be an 8 or 9.
All are in 'take off' condition and should be serviced/rebuilt.
I'm thinking $400 for the entire stack (incl the horn), plus shipping. No, I will not break it up, it all goes as one. I will consider reasonable offers that include a trade (basically issues of Army Motors from 1942/1943)