-Package Dimensions: 2.54 cms (L) x 8.89 cms (W) x 10.16 cms (H)-Product Type: Spark Plug-Package Quantity: 1-Country Of Origin: JapanNGK Iridium IX Spark Plugs Utilize A 0.6 Mm Iridium Center Electrode and Taper Cut Ground Electrode For Faster Start..