This Yamaha SRX 700 triple new reman. cylinder has the casting number 8DN00. It is re-plated to stock specs with a lifetime plating warranty by the plating shop. There is no core exchange required on this cylinder. Shipping is only in the lower 48; unless you are purchasing through eBay's Global Shipping Program. If you are in Alaska please contact me before purchasing to check on shipping options. Thanks, -Paul