HERE IS A  NEW DUAL RESERVOIR MASTER CYLINDER  FOR YOUR MOPAR  "WITH POWER DRUM BRAKES"

i do not have this for manual brakes or remote booster like the 300J

THIS FITS;

 1963-1966 CHRYSLER 

 1962-1966 DODGE AND PLYMOUTH 

THIS MASTER CYLINDER HAS THE SAME 1 INCH BORE AND PISTON ROD DEPTH AND BOLT PATTERN AS THE ORIGINAL SINGLE RESERVOIR MASTER