Rear brake master cylinder rebuild kit for the models listed. For best results, thoroughly clean the inside of the master cylinder before installing the new parts. Make sure you have a stock master cylinder before ordering, most models below used different master cylinders throughout the years they were made.
Comes with the seal already installed on the piston. Most other brands do not come with seal installed and the installation can be difficult. Includes all parts shown and installation grease.
We also have master cylinder snap ring pliers available. They make the job a lot easier!
Replacement for Honda part number: 43520-422-305
CB750F Super Sport - 1979-1980
CB900C Custom - 1980
CBX Super Sport - 1979-1980