MONTESA-HRC 300cc 4RT Kit cylinder-piston big-boreReference: CYK-MON4-82KIT CYLINDER-PISTON BIG-BORE FOR MONTESA-HRC 300cc 4RT. High quality product. More capacity gives the engine more torque on bottom and more power on revs. The engine is very smooth on low RPM, and very powerful on high RPM.
