Remote Master Cylinder.  many forms of motorsport, both Rallying and  circuit racing applications. Now with brand new  modern castings with  a smooth finish  with all original internals Both models are available in the following bore sizes (marked on casting), 5/8" (.625"), 17.8mm (.70") and 3/4" (.75") which will suit most applications. Order by bore size and whether remote or integral  FULL DEALER  DISCOUNTS