Replacement Motor Mounts?

As has already been sussed out in this thread, no, the '60-'61 mounts are not the same as the '62(!) to '66 mounts. And no, RockAuto does not have them; they're deluded. Part numbers for the mounts you need are 2203 039 or 2121 733 (right) and 2203 040 or 2128 821 (left). These mounts are very durable, more so than the cheaper-to-make '62-'66 type, and were not serviced by the aftermarket suppliers (Doan, Anchor, etc) because there was so little demand. Old Car Parts Northwest has some of them in stock.