1973 Dart Custom Slant 6 Engine Mounts

there called isolators if you cant find them under motor mounts.

here you go

https://www.rockauto.com/en/moreinfo.php?pk=315019&cc=1088591&jsn=476

https://www.rockauto.com/en/catalog/dodge,1973,dart,3.7l+225cid+l6,1088591,engine,motor+mount,5552