NEW BRAKE MASTER CYLINDER - 3/4" bore. LAND ROVER Series 3 88" & 109" (1971-85) DUAL LINE BRAKE MASTER CYLINDER KIT. TRIUMPH TR3 TR4 TR4A TR5 TR6 BRAKE & CLUTCH MASTER CYLINDER REPAIR KIT - GRK1027. You with need to fit your own push rod to this Cylinder.