Ebay Motors is a good place to look. There are many sites online. Search with Google using the term "1953 Chevy Parts".
Depends on overall condition, mileage, options, engine, transmission, etc...
1-5-3-6-2-4
Your tutti
Adjust the brakes shoes inward to allow room to just pull the drum off.
2653 dollars
30 to 35 pounds
I would doubt it's worth much. I have several and even more of British Army bands. None ,unfortunately are worth much.
What condition is it in..
There are many places available to get parts for your '53 Chevy. Check out this link: http://www.google.com/#hl=en&q=1953+bel+aire+parts&aq=f&oq=&aqi=&fp=-Pw1cEIpNGU
how much would it cost me to have Chevrolet install a steering wheel air bag if i bring one in
The satisfaction of showing you can do such a project and providing info for others who may have something similsr in mind. You dont get money for posting. ;-p