High-performance iridium spark plugs, set of 4. - Brand: NGK - Model: IRIDIUM DF - Part Number: DF6A-13B - Quantity: 4 - Type: Iridium Spark Plugs I'm not very knowledgeable about cars, so please judge by the photos. Also, the box was opened for the photos, so although they are new, I've marked them as "like new." Please understand that we do not accept any claims or returns after purchase. Thank you for viewing.