Originally Posted by DKheld
...I was told it is a combination valve and already has the 2lb residual valve built in...
Eric, some master cylinders had a residual valve built in but I don't think any combination proportioning valves ever did. Marcelo's is only a ten pound valve, which isn't much. It only resists on the 'return' stroke...
Hey Marcelo, make sure you install with the free flow arrow pointed towards the rear. - Dave