New release of the GZR-30PLUS cc Zenoah Pro Mod cyl kit NO CRANK . Since we were the first to make the 36mm marine engines We now have. It is the most powerful 36mm pro mod cyl kit on the market. We have done endless testing of our new crankshafts and have that with our new port design. You get the torque of the 32cc and the rpms of a 26cc. You show up at the lake with one of these you will hurt some feeling LOL.

 Ths is what you get

New port design 95% hand ground pro mod cyl done at our shop.

 Pro mod piston and ring and set to our specs 

All other parts as seen in picture.

Go with the best not one the rest.