Hello, The sale offer concerns: URSUS C-330 ENGINE REPAIR KIT FOR 2 CYLINDERS, SET FOR THE ENTIRE ENGINE!!! PISTONSORINGSBUSHINGSRINGSPISTON PINSSEGER RINGS COPPER WASHERSGASKET SETPiston diameter [mm]: 102Rings [mm]: 2.5/2.5/2.5/4.5/4.5Height [mm]: 130Pin distance [mm]: 75.4Pin [mm]: 38 x 84bottom with notches for valvesTHE MANUFACTURER OF THE SET IS MAHLE, ONE OF THE LEADING SUPPLIERS OF ENGINE PARTSATTENTION! WHEN BUYING A SET OF 2 PISTONS, FREE OIL FILTER!!!ATTENTION!!!Due to frequent damage goods during transport, resulting from poor packaging and securing of the goods by the manufacturer, MAHLE, we would like to inform you that all repair kits of this company will be opened before shipment in order to properly protect the piston rings and pin inside the original packaging. Opening involves breaking the manufacturer's seal. If the buyer does not agree to breaking the seal, please inform him immediately after purchase. At the same time, we would like to inform you that in such a case we are not responsible for any damage occurring during transport to the customer. Please consider your purchases carefully.