1Model:CG150 2.CylinderDiameter:62MM Total Hight:54.5MM Hight Compression:25.5MM 3.Pin hole Diameter:15MM Pin Length:50MM 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