yeh it is, because i have just sold one that had it done, i believe it’s not to bad to do but involves a bit of chiseling : i have a jem 555 with a lo trs 2 trem.i wondered if it was possible to install a lo pro edge tremlo . or take of the arm holder on the lo trs 2 and replace it with the arm holder and push in arm of the edge series tremlos .please help……..