The Wilwood master cylinder made of aluminum is the perfect solution for club sport racers, small Fomel cars, or other individual applications where the space for the master cylinder and the liquid reservoir is limited. The cylinders are available in different diameters 5/8 ", 7/10" or 3/4 "with a liquid inlet 7/16 UNF thread and outlet 3/8 UNF thread. Short pedal travel, small brake calipers and hydraulic actuation Couplings can be implemented with minimal space requirements.