'65 273 driver's side manifold heat shields
I just checked the parts books (64-74) and found 3 different numbers for the left and one for the right. The right was only listed in the 65 book.
64-68 - 2465845 - Left (no web)
69-69 - 2946128 - Left
70-74 - 2951285 - Left
65-65 - 2465842 - Right
Alan