Rear brake line to P. Valve.
If you have oem front disk the upper distribution block is only a distribution block then down where the two lines are not connected there would be a proportioning valve.
dist block 67 -70
1967-70 Mopar B-body Distribution Block, Disc or Drum
Proportioning valve
the combo valve as you have is from a later year or other model car or both
If you have oem front disk the upper distribution block is only a distribution block then down where the two lines are not connected there would be a proportioning valve.
dist block 67 -70
1967-70 Mopar B-body Distribution Block, Disc or Drum
Proportioning valve
the combo valve as you have is from a later year or other model car or both