LoL... never heard of this,,,,,, got this done in rupees 1000 including lathe and labor (mechanic) to my assumption lethe wala took hardly $3 to get the cut done, that too DHA next to Khan Motors 
Thou I did not go to lathe-wala mechanic took care of it, However if I was there with these "infused rubber part" the lathe-wala would have scolded me to take it some place else.
Plus you are well-versed with how things go at our part of the world. You with brain got a better place to use it, but we all don't 