New factory Mazda OEM valve stem seal set for Early NA Mazda Miata. These are the 16 seals for the valve stems in the cylinder head. Part number B66010155. Fits 1990-1993. Photographs are stock photos only and the purchased product may vary. Photographs of the purchased product can be emailed upon request. California Residents: Prop 65 WARNING: This product MAY contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov