[h=1]just re-email if you dont get a quick answer , im in here every day answering questions via email
it will work with stock heads

Lifan 57mm Big Bore Kit
[TRC-1780][/h]

High performance 57mm Big bore Piston kit for Lifan 150cc engines
Piston w/ 15mm wrist pin
Includes Rings , Pin & Clips
Work with TB 57mm x 78mm tall cylinders for increased performance
Custom machined to work with TB 30/23mm Race head

 

Ok! Thanks for answer! Maybe i will order one from you! Does it make the engine 160cc?

 

???

 

no it makes it 151cc. Its only a 0.5mm increase in bore size

 

Hmm, thats not what i had in mind... im looking for a 160cc kit.

 

There is no 160 kit anymore