These tires may have been manufactured ten or more years ago, but they have never been mounted or used.  To the best of our knowledge, they have been stored in a warehouse environment and have not been subjected to ultraviolet light.  These tires are no longer produced, and are only offered to provide your vehicle with original stock tires for appearance purposes.  This stock may represent the only market source for these items at the present time.  Accordingly, we offer no warranties on these products.