We now have rack ears for the Emax II and the EIII rack samplers available. These are brand new reproductions of the original part, with a durable black crinkle powder coating to match the originals exactly. This new part is here:
https://syntaur.com/Items.php?Item=7183
These are identical to the Emax I ears except for the color - and we should have those gray ones available also in a couple of weeks.