Need a Radiator!

Need a radiator!!!
67 Dart GT 273 HP Manual Trans
Downflow style

I can barely even find any replacements and ones that may fit are $450+
I just got quoted $475 to Re-Core & Paint mine locally.
AHHHH Why is the damn 67 radiator like two times more expensive as other A-bodies?!?!?! This is THE last peice to my build. Not optional to fix, is way beyond repair short of a re-core..

I would love any help you guys may have.
Imma go burn one...