Blox Racing Competition Series QR S2000 Clutch Master Cylinder is cast out of high-quality aluminum, then heat-treated and surface hardened for durability. Features a specially designed piston that is 21mm thicker, and a shorter stroke which measures in 28mm. This design helps reduce the clutch pedal travel by about 45%. Allows for precise clutch engagement and faster shifts.  

M10x1mm Thread Pitch