This is our new CNC machined Zenoah "Bolt-on" GZR-28.5 cc water cooled cylinder kit . This kit will give you the Monster torque for the large scale boat or a Large powerful racing upgrade. This kit is for you. Comes with everything you need to bolt on.
Just to give you a update. I have now released my new port design on zenoahs. I have been testing for months now and they are monsters. As i seen that some company's are trying to copy us. But this new design it will be fun watching them try to copy This can not be copied very easy.The new design will improve though out the power band.
Here is what you get:
-Transfer ports are modified on a CNC machine.
-Cyl base cut so can use stock gasket to increase compression
-Intake & Exhaust port modified on a CNC machine.
-Our CNC machine 20 gram 36 mm Pro-mod piston.
-Cyl is dressed by hand to insure that everything is blended in.
CNC Machined "GMM Racing" Cooling cap.
You don't have to be an engine builder to install this kit. Just unbolt your cyl and remove piston and parts and install the kit. That simple.This will increase apox 15 mph over stock.
As always we stand behind all of products 100%.
Please check our prices, also you will see there is no CNC machined kit like this on the market.