RV-Racing Race Ported 37.7cc Zenoah Fujiwara 4 bolt Top End Kit (for DDM +2mm Crank)

This is a CNC Ported "377" version of the Fujiwara FJK352001RC cylinder kit that has been Full Mod tuned and created by Rinus Visser of RN Tuning in the Netherlands.

Must also order the DDM Racing Zenoah G320 +2mm Stroker Crankshaft (30mm)

This kit is comprised of the following:

• CNC machined RV-Racing piston
• CNC machined RV-Racing cylinder
• CNC machined RV-Racing combustion chamber for +2mm stroker crank
• CNC machined RV-Racing transfer ports
• Prepared for additional RV-Racing cooling head
• High quality gaskets
  

This will fit directly on the Zenoah G320RC Crankcases and must be used with a 2mm Stroker Crank. This combo will yield 37.7cc of total displacement! RN Tuning comes with many years of experience in crafting engines that perform at the highest level and meet the demands of competitive racing as well as general enthusiasts looking for more power from their engines. This modified cylinder set arrives similarly as the factory Fujiwara cylinder bore up kit.

This bore up set includes the cylinder, cylinder base gasket, transfer port cover gaskets, piston clips, piston ring and a special coated piston. This top end requires assembly on to your engine; you can use our install guide for the standard Fujiwara cylinder set as guide on how to assemble your engine.

Not included: transfer port covers, piston pin (gudgeon pin), pin bearing and piston pin washers. You can reuse these parts from your stock engine, but we highly advise using a new piston pin bearing. You can purchase that here.

We give our firsthand impressions of the Fujiwara 40mm Zenoah G320RC bore up kit on our YouTube channel!

We have also made a detailed installation video that can be viewed HERE.