Description Standard size replacement piston ring for the PCK2 P125/150/Stella Polini kit. Sold individually (2 required). Piston Ring 177 cc kit (63 mm standard ) ; Polini Piston Rings Other products by Polini SKU206.0060 - + Retail Price: $22.00 Your Price: $22.00 In Stock Add to cart Add to wishlist Have a Question about this item? Click here to email us. Also in Category Piston Ring 177 cc kit (63.4 mm first oversize) ; Polini Price: $14.00 QTY: Add To Cart Polini Piston Ring (63.8 mm, 177 cc kit) second oversize Price: $15.00 QTY: Add To Cart Piston rings, ( Replacement ) ; Prima Cylinder Kit Price: $35.00 QTY: Add To Cart Piston rings, NCY (Ceramic Cylinder) ; Zuma 125 Price: $35.00 QTY: Add To Cart