One New Aftermarket Replacement Spark Plug Fits Champion Mower ModelsTech InfobPlug Type ResistorLarger space between insulator nose and shell reduces fouling and misfiringCeramic insulator provides better insulationheat dissipation, heat shock resistance and mechanic performanceBoxed individuallybReplaces Part NumbersbRCJ8Y, BPMR6A, L6RTC, 131051fontspanpp p