100% Brand New, High Quality To replace the existing cylinder Includes: Cylinder Head, Piston, Piston Ring, 10mm Pin, Clips, Bearing, Gaskets : 40mm Cylinder Piston & 10mm Pin Ring Needle Bearing Kit for Pocket Bike, Mini Dirt Bike, Quad, 47cc 49cc Engine. Color: Silver Material: Aluminum Package Contents: 1 * Cylinder Head Piston Kit Only 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 +/- 1-3 cm.