mark
+1y
not sure how much they run...probably no more than 100, but yes, they are nice and fairly quick for 250bucks, next step up would be a thomas T4101 comp which is identical but a tad faster, then the Oasis compressors
check
or and give mike a call, he might have them, even better, see if dude custompartsbiz has rebuild kits..or centerstage