ESP RACE PORTED 4-Bolt 32mm G240RC Cylinder Top End Kit

G240RC cylinder ESP RACE PORTED (enlarged/reshaped intake, exhaust, and transfer ports) for increased top speed and improved acceleration. Adds top speed as well as faster acceleration. This is a RACE PORTED version of the stock cylinder on the G240RC engine. Zenoah part # 848ER812AO. Fits 4-bolt crankcase only. Includes parts shown (ported cylinder, piston, ring, gasket, c-clips, pin)