Check the listing for details. 70cc Big Bore Genuine Buddy Rough House 50 2-Stroke Cylinder Piston Top End Kit. Condition: New. Listed at 104.64 USD. Bore=47mm Wrist Pin=10mm Height=64mm Includes cylinder, cylinder head, piston kit, spark plug, gaskets (cylinder head, base). This cylinder kit is a 70cc upgrade from the 50cc standard bore. For more power, consider upgrading to this 70cc cylinder kit. Genuine Buddy, Rough House 50 In an effort to provide our customers the quickest shipping we possibly can, we are unable to cancel orders after they have been placed. We do offer returns on some items. Returns must be in the original packaging, and in new and sellable condition. There will be a 10% restock fee to cover the costs associated with returns. We are unable to offer returns on electrical items. Please make sure the item you order is what you need or contact us with any questions prior to ordering. Thank you for your support!