Replacement Zenoah 4-Bolt 34mm 270RC 25.4cc Top End / Head Kit.  This kit will fit the Zenoah G240  270  & 290RC engines.  This includes the pa...

34mm big-bore kit from Chung Yang - 25.4cc. It features an all-new casting with thicker heat fins and more.Kit includes: cylinder, 34mm piston, pis...