CMC Remote Mount ReservoirApplication Remote Mount Reservoir Note: Available in three sizes, 1 4" Hose, 3AN and 4AN K Tuned CMC reservoir is a direct replacement for your remote mounted reservoir. Machined from 6061 aluminum, the double o ring seal ensures no chance of a leak. The diaphragm allows fluid movement without letting air interact with brake fluid. This is crucial as brake fluid is hygroscopic (absorbs water from the air) which can cause premature clutch fatigue and