Mini/Moke master cylinder kit for tin tank brake master cylinder. Suits tin tank with 0.7" bore with a groove around the body of the master cylinder. This kit also suits the late plastic tank brake master cylinders with small cap (part GMC171).
Note that when compared with the no groove type (part no. 50957), in this kit the two smaller seals both have a hole in the middle.
Model: Mini / Moke
Cross reference: BAU1247 / GRK1006