DHM’s stock bore high comp piston is ready to add some low end grunt, solid mid range, and more overrev to your CRF110! Re-use your stock cylinder and drop this piston in to raise effective compression which helps the bike become snappier, more responsive, and faster all around. 

• Direct drop-in
• High compression 12.5:1 dome
• Multiple oiling holes for skirt and ring lubrication
• Valve reliefs to clear big valve 27/22 cylinder heads
• Requires tuning, and a minimum octane of 91
• Base and head gaskets not included
  

***Set upper silver ring gap to .008" and lower black ring gap to .010"

Replacement Rings