obp Motorsport Integral Master Cylinder


  • Cast Aluminium
  • Vertical Mounting Flange
  • Universal Fitting
  • Integral fluid reservoir with screw cap for easy filling and level checking


Available in .625, .7, .75, .875 & 1"


Our specially selected range of products that work in unison with all of our obp Motorsport core hardware. Whether you are looking for master cylinders, bias adjusters or replacement parts. obp Motorsport has you covered.


Product Information:


Inlet Fitting: 7/16"-20 UNF

Outlet Fitting: 3/8"-24 UNF

Push Rod Thread: 5/16"

Pushrod Length: 84mm

Bolt Hole Spacing: 1/4"


UNF Standard Master Cylinder Set Up:

Front Brakes: 0.625 | Rear Brakes: 0.7 | Clutch: 0.75


eSports Sim Recommended Size:


1" or .875"

obp Integral Master Cylinder

  • 0.35