1Model:CG125 2.CylinderDiameter:56.5MM Total Hight:55MM Hight Compression:26MM 3.Pin hole Diameter:15MM Pin Length:47.5MM 4.Ring Comp:1.2-2 Ring Oil:2.5-1 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