Product Info: Part: Brake Master Cylinder Master Cylinder Material: Aluminum Packaging Type: Box Master Cylinder Bore Diameter: 1.063 inches Number of Outlets: 2 Package Quantity: 1 Primary Outlet Thread Pitch: 1.5 millimeters Rearward Outlet Size: M14 By 1.5 Reservoir Included: Yes Secondary Outlet Thread Diameter: M14 By 1.