Special Features: CylinderItem Type: Pistons & RingsDisplacement (ml): 52CCNo. of Cylinders: 1 CylinderModel Name: CY15Diameter of the Kit(mm): 44Diameter of Piston Pin(mm): 10Outer Diamter of Cylinder Skirt(mm): 50Middle Height of Cylinder(mm): 88Total Height of Cylinder(mm): 97Total Height of Piston(mm): 40.1Compression Height of Piston(mm): 17.2Color: silverMaterial: metal + plasticPackage Contents:1 * 44MM 52CC Cylinder Assy 1E44F-5 44F-5 44-5 BG520 CG520 Assembly Pistion KitOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.