OK, here goes. I pulled the Master Cylinder and I am going to get a new one. I even managed to get the pushrod out without dorking up the bushing. The question is what is the difference between the following:

AutoZone $30.00
Napa $45.00
MP Brakes $90.00

Thanks

1972 Cuda 340 4 speed, 2001 Ram CTD 4x4 6 speed, 1970 Duster 408 4 speed, 1996 Ram 5.9 2x4 auto, 1965 Coronet 500