For MOPARS. 1965 TO 1969 B BODY ONLY FRONT AND REAR WHEEL CYLINDERS. THE FRONT WHEEL CYLINDERS ARE PICTURED ON THE BOTTOM OF THE PICTURE>>>>MAKE SURE YOUR BACKER PLATES HAVE THE"OVAL SHAPED HOLE" TO FIT THESE WHEEL CYLINDERS.IF YOUR BACKER PLATES HAVE A"RECTANGULAR SHAPE HOLE " THEY ARE 1970 AND NEWER BACKER PLATES.