Quality TourMax product Made in Japan

MSB-106 Honda  Front Brake Master Cylinder

Replacement for OEM # 45530-442-315  which supersedes  #45530-442-305

Length: 50mm
Width: 14mm
Honda:
CB250N  1978-1980
CB250RS 1980-1981
CM400 T  1979-1980
CB650 1979-1980
CB750 L K / L 1979-1980
CB750 Four 1979-1980
CX500 1979-1980
CB400 Hawk 1979

Check photograph to confirm these are the parts you are looking for.
Can be picked up at the warehouse in Heidelberg West Vic