that isn't that bad. rotate it a bit and you'll get more life out of it. by 5k miles i'd worn down most of the top half of that piece so i replaced it. now at ~12k miles it's mostly done again. not going to lose sleep over a $2 part though.
Thanks for the tips guys, but I was looking for a more permanent solution rather than just rotating or placing something over it.
I am going to talk to my machine shop and see if they can make something like this but with a threaded part on the portion that mounts to the lever. I hope to cut off the aluminum center support that is in the rubber piece then drill and tap the lever.