Exhaust Side percarqty: 8 New Spark Plug Iridium Power Resistance (Describes Measurement) : 5000 | Ground Electrode Tip Design (Describes the configuration of the ground electrode tip) : Tapercut, U-Groove | Ground Configuration (Describes the configuration of the ground electrode or grounding method of the spark plug but not the quantity of ground electrodes as this is a separate category) : Standard | Ground Electrode Core Material (Describes Core Material) : Nickel | Center Electrode Core Material (Describes Material) : Copper | Center Electrode Tip Material (Describes Material) : Iridium Rhodium Alloy | Gap Size (Describes Measurement) : 0.044 | Ground Electrode Quantity (Describes Quantity) : 1 | Hex Size (Describes Measurement Of Hex Portion) : 20.6 | Manufacturer Heat Range (Describes Heat Range Number) : 16 | Seat Type (Describes Seat Type) : Gasket | Reach (Describes Measurement of length of the spark plug metal body from seat portion to the end of spark plug threads also can be described as the cylinder head thickness. Can be expressed as both inches and or millimeters.) : 19.00 | Thread Diameter (Describes Measurement) : 0.551 Increased performance with Worlds smallest Iridium Center Eletrode (0.4mm). | Spark Plug Iridium Power