Wilwood's Compact Combination Master Cylinders have been designed for limitedspace applications requiring the output capacity of a full size master cylinder. The ultra short 3.37" compact bodyprovides 2.16" of additional clearance between the mountingflange and the fluid outlet. Afull 1.12" of piston stroke meets or exceeds the stroke capacity of most full size cylinders. With 1/8" NPT fluidoutlet port located at the topradius of the cylinder bore, reduces the chances for trapped air. Enhanced fluid inlet port allows mounting of the standard reservoir included in kit and also contain 11/16-20 internal threads for custom reservoir arrangements. The black E-Coated aluminum body resistscorrosion and maintains a durable long lasting finish.