Originally Posted by
CoeShow
The best and most powerful cylinders we had were cast in Japan with significantly altered transfer/auxillary exhaust ports and were ALL nikasill plated. I used to call them "Puff" cylinders as the transfer ports were visually larger and different from the stockers. They were more similar to Kawasaki KX cylinders by comparison.
These cylinders worked VERY well and I know there are probably a few still floating around out there. I have 0 pictures. I also know this. Curtis Sparks has some of the fastest Honda 250's available. Not sure if he offers any bigger cc stuff