1Model:CRYPTON 2.CylinderDiameter:49MM Total Hight:37MM Hight Compression:17.9MM 3.Pin hole Diameter:13MM Pin Length:38MM 4.Ring Comp:1.0-2 Ring Oil:2.0-1 5.Packing:1pc/pvc bag or depends on your requirements 6.Quantity: 100pcs/ctn motorcyle piston set /engine piston parts/china piston /motor spare parts/ motor accessory