Condition:
New: Never Used: A new, unused item with absolutely no signs of wear. The item may be missing the original packaging, or in the original packaging but not sealed. The item may be a factory second, or a new, unused item with defects. See the seller’s listing for full details and description of any imperfections. See all condition definitions 

STD Size Piston ring For HONDA SL230 1Sets

this price is 1 set piston rings

1 SET for 1 Engine with 1 cylinder.

the STD size is Φ65.5mm.
THERE IS ALSO HAVE STD+0.25mm STD +0.50mm size to sell.