Description Standard size replacement piston ring for the PCK1 P200 Polini kit. This ring is for the newer 2-ring style 210 cc cylinder kits. A kit will need one regular ring (206.0160) and one dyke ring. Polini Piston Ring (68 mm, Upper Dyke) Piston Rings Other products by Polini SKU206.0340 - + Retail Price: $43.00 Your Price: $43.00 In Stock Add to cart Add to wishlist Have a Question about this item? Click here to email us. Also in Category Polini Piston Ring (68.4 mm, Upper Dyke) first oversize Price: $31.00 QTY: Add To Cart Polini Piston Ring (43.5 mm); V5A, V5B Price: $16.00 QTY: Add To Cart Polini Piston Ring (68.8 mm, Upper Dyke) second oversize Price: $42.00 QTY: Add To Cart DR Piston Rings (63.0 mm); Vespa P/PX, Genuine Stella Price: $17.00 QTY: Add To Cart