/6 Polyurethane Mounts
Left-side engine mount is
this one. Trans mount is
this one (outta stock; who knows when back). Right-side engine mount isn't available in polyurethane, TTBOMK.
Make sure you really need
and really want polyurethane mounts before you buy—if you're doing this because it just sounds like a neat idea, you might want to rethink it.