Brake Master Cylinder 7/8" 240Z 260Z 280Z 70-78

New brake master cylinder for Datsun 240Z, 260Z and 280Z,1971-78. Stock replacement 7/8" bore size. This is a direct replacement for your stock brake master cylinder. The 1970- Sept 71 240Z used a slightly different master cylinder configuration in which the front and rear resorvoirs were reversed from what this part is.