6300 - 7.7hp Full Mod Zenoah G320RC 31.8cc Engine You can expect power to

You can expect power to match any of big tuners out there if not more

Top end comes complete with:

Larger lower connecting rod bearing

29cc Head Kit Motor He23hp

This top end is fully ported and modified and can be used to upgrade a stock GP460

6300 - 7.7hp Full Mod Zenoah G320RC 31.8cc Engine You can expect power toWe're proud to announce the release of our full mod G320RC 31. 8cc engine. We're very happy with the changes that Zenoah has made and it's turning out to be a great engine. Engine is fully modified just like our normal full mods. Being the transfer ports are enclosed we can't modify them quite the same but they are modified. Intake and exhaust ports are modified to our specs as well as the durations. Just like a 30. 5cc we cut the combustion chamber