ITEM NAME:Spark Plug Replace NGK BPMR7A 4626 Bosch WSR6F, 7547,STIHL,HUSQVARNA,L Cy.Spark plugs for small engines use copper core electrodes, which can provide higher conductivity. Applicable for Briggsï ¼â€ Stratton motors. Spark plugs for small engines use copper core electrodes, which can provide higher conductivity.