Needing a raditor

B Taylor said
Was that on a slant 6? Do you have the stock number?

Sorry 340 for me. Just commenting on the US Radiator build quality

Here is a link for Slant 6. US Radiator has 1 year warranty and I believe they build the OER radiators as well offered by Classic Industries.
Dodge Dart, 1965-66 L6 170/225 Radiator