This Brake Master Cylinder Mounting Kit from CSP Germany allows you to install a large bore Dual Circuit Master Cylinder to your Late Super Beetle.
(For 1971 through 1974 Super Beetles use SKU 324034)
The SKU for the 20.6mm Bore Master Cylinder is 325036 (not included in this kit)
When converting your Super Beetle to 4 wheel disc brakes this adapter kit and Master Cylinder conversion is mandatory.
Learn more from the following Mid America Motorworks Knowledge Library articles:
Air Cooled VW Master Cylinder Typical Removal and Installation Procedure
Air Cooled VW Master Cylinder Typical Bench Bleeding Procedure