quote:Originally posted by Anders Hellberg:
GR3 have 1 in = 25,4 mm bore
Stock Pantera is 0,90 in = 23 mm bore
I just checked my original master cylinder, about 25.37mm with a vernier. I am now running a vendor replacement unit, I did not know they were different. The brakes do feel good, not much travel, running a rebuilt servo, maybe I was sent a 1" replacement.