Champion Iridium Plug Number RS10ZWYPB5 Spark Plug - 9200 Part #: 9200 Line: CHP Champion Iridium Plug Number RS10ZWYPB5 Spark Plug 2 Year LIMITED WARRANTY Seat: Tapered Thread Size: M14 Heat Range: 10 Hex Size (in): 5/8 Inch Center Electrode Tip Material: Iridium Ground Electrode Tip Material: Platinum Service Number: RS10ZWYPB5 Metallurgy: Iridium/Platinum Show More Show Less