New Piston Kit
Brand new design pistons complete with rings, pin and circlips. No cutting or machining needed available for 230, 250 and 270cc conversions.
These pistons are designed to go with our new UPB cylinders.
230cc / 250cc Piston Kit
To go with the 230cc / 250cc cylinders.
3 different types
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**
1.5mm Thick and 2mm thick kevlar composite (do not pop out like those red rubber rings)
New Piston Kit