181cc BIG BORE KIT WITH HIGH PERFORMANCE WITH DURABILITY.BEST COMBUSTION SHAPED CYLINDER HEAD WITH HIGH EFFICIENT PORT SHAPE / BIG VALVE. HIGH CAMSHAFT / HIGH COMPRESSION PISTON FOR EACH DISPLACEMENT FOR TORQUE / AGGRESSIVE OUTPUT. ※BIG THROTTLE KIT (FOR NEO / DOHC CYLINDER HEAD)/ AIR-FUEL CONTROLLER REQUIRED.
181cc BIG BORE KIT WITH HIGH PERFORMANCE WITH DURABILITY.BEST COMBUSTION SHAPED CYLINDER HEAD WITH HIGH EFFICIENT PORT SHAPE / BIG VALVE. HIGH CAMSHAFT / HIGH COMPRESSION PISTON FOR EACH DISPLACEMENT FOR TORQUE / AGGRESSIVE OUTPUT. ※BIG THROTTLE KIT (FOR NEO / DOHC CYLINDER HEAD)/ AIR-FUEL CONTROLLER REQUIRED.
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