Remote Reservoir Compact Master Cylinders are the perfect solution for club sport racers, small open wheel cars, or any other custom application where there is limited space for the master cylinder and fluid reservoir. Aluminum cylinders designed for use with either a detachable or remote fill reservoir. Available in four bore sizes from .625 to .813 with a full 1.4 of stroke to accommodate short pedal ratios, small brake calipers, and hydraulic clutch actuation on space limited application.