Wilwood in-line Compact Master Cylinder ~ for use with a pass through inline handbrake setup utilizing single rear calipers. ~ We modify Model no. 260-15091 to fit into our compact handbrake structures. Non-ball bearing handbrake use re-threaded and shortened rods. Ball bearing setups us slightly shortened rods. This means that masters purchased here wont always work with other brands of handbrakes. ~ 3/4" bore (0.75") ~ Line and fitting kits and ABS bypass available for various cars sold separately.