1964-65 Rebuilt 273 Heads

68GTconvert said
Sorry I thought these were 66 b/c the 4 barrel intake that I got with them is a 66. I double checked casting #'s and they are indeed 64-65.

I recently bought a 273 with a late 65 casting date that has 2465315-3 heads with the 66+ bolt angle and bolt size.