Radiator needed

Not that it's the be-all end-all, but the white book lists 5 different radiators for a 71 A body.

3443975 22" 340
3443976 22" 318-340
3443977 22" 318-340
3443986 19" 225
3443988 22" 225

That being said, for both 70 and 72 it lists a 19" for 318