Wilwood integral reservoir compact clutch master cylinders are the perfect solution where there is limited space for the master cylinder and fluid reservoir. They incorporate an improved plastic screw-on filler cap, which protects the fluid in the 1.4 oz. reservoir, and are available in three bore sizes from .625 in. to .750 in., with a full 1.4 in. of stroke to accommodate short pedal ratios, and hydraulic clutch actuation on space limited applications.