Used factory cylinder head bolt set for NA and NB Mazda Miata. Includes 10 bolts and 10 washers to secure the cylinder head to the engine block. Part numbers B660-10-135A (bolts) and ZJ0110138 (washers). Fits 1990-2005. Photographs are stock photos only and the purchased product may vary. Photographs of the purchased product can be emailed upon request.