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#P452
Polini Sport 70cc piston kit. The kit includes one piston, two piston rings, one gudgeon pin and two circlips
Fits all Piaggio and Peugeot Polini Sport 70cc kits (12mm gudgeon pin) also fits Corsa kits.
NOTE: the picture is a library picture- this piston does not have the windows on the side which are shown in the picture!
Polini 204.0680, 204.0684
Oversized pistons are for when you get the barrel re bored, say for instance you seized the kit damaging the cylinder walls and it needed to be machined bigger you can then fit a oversize piston kit.
If it's just a standard untouched barrel then you can use the normal standard piston.
