All oil changes must be used on the same vehicle. All sales are final. No returns or exchanges. All items will be shipped via USPS Priority Mail and will be insured for the winning amount. If an item is larger than the standard USPS dimensions, it will be mailed via FedEx or UPS. Winner is responsible for all shipping, packaging (where necessary) and insurance costs. Shipping within the U.S. only. Items are shipped with signature required.