Zenoah 25.4cc 4 Bolt G270RC Top End

This is a replacement top end for the Zenoah 25.4cc G270RC motor. This kit can also be an upgrade for the G240RC motor. This kit includes a 34mm 4 bolt cylinder, 34mm piston, piston ring, wrist pin, base gasket, c-clips, and ngk cmr7h spark plug. This kit does not include a needle bearing or thrust washers.