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Competition Series QR S2000 Clutch Master Cylinder


WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
BLOX is pleased to introduce its Competition Series Quick-Release Clutch Master Cylinder. Although physically the same size as our current S2000 CMC, this new unit has been improved internally.

The BLOX Racing Competition Series QR Clutch Master Cylinder features a specially designed thicker 21mm piston but shorter stroke measuring at only 28mm. Compared to an OEM unit or the original BLOX CMC, clutch pedal travel has been greatly reduced by 45%. Now, clutch engagement and shifting are quicker and more precise.

BLOX Racing master cylinders are all cast out of aluminum and using current OEM processes. Each are heat treated and surface-hardened for durability and pressure tested to over 20Pa for consistent reliability.



  • Compatible with stock and aftermarket clutch kits
  • Ideal for road and drag racing
  • Perfect for short shift kits
  • Meets or exceeds OEM quality, fitment
  • Reduces clutch pedal travel
  • M10x1mm thread

Not only is this a replacement CMC for all 00-09 S2000's, but it can double as a replacement CMC for 92-00 Honda Civic's and 94-01 Acura Integra vehicles. A CMC adapter plate is required for Civic and Integra fitment (available separately).