New CNC machined lightweight aluminium push rod tube

Has your cylinder run out of bore oversize ?

Then we can convert to a modern type piston high silicone content & modern Japanese piston rings, stop that 200cc Cub from smoking!

No need to convert the crankcases or cylinder head, also available in oversizes.

**Please note we need your old cylinder in exchange**

** These parts can be purchased seperately**

230cc / 250cc Piston Kit

To go with the 230cc / 250cc cylinders.

3 different types

For big bore cylinders