Cyl Head Honda XR125 CG125 ,for 150cc Inc big Valves ,Carb,piston Kit 13m Pin
And bigger head squish area for 150 bigbore. And a Mikuni vm26 carb and ported alloy manifold set up for 150cc. This kit is for electric start bikes With 13mm pin piston. ( allows you to fit higher compression piston kit ).