Engine swap 300 small block to a 455 Buick

The parts place, OPGI and Year one all carry a reproduction shroud. Griffen has an aluminum radiator replacement for the 67 and there are other universal models that are cheaper, but would require an external transmission cooler if you have an automatic. Brackets fit the wider GS radiator. So, you would need to find used or fabricate the bottom and top brackets.
 
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