Where to buy rebuilt engine?

Also don't forget about the exhaust manifolds! I can't seem to be able to find anything but the original exhaust manifolds from my 273 to fit on my 340! Still looking.
if it's an early A with a V8 nothing but the stock year correct stuff really fits. well, on the driver's side that is.

some people have had success with 340 manifolds, but if you have a manual and power steering things get a little tricky.