NGK PRO-V Small Engine Spark Plug 2101 BPM7Y Features an advanced v-groove design for professional lawn and garden equipment which provides easier starting, less fouling, less emissions Replaces NGK part number bpm7a; provides more complete combustion Replaces Autolite part number 2974 Replaces Bosch part number ws5f Replaces Champion part number cj6y and cj7y