The Small-Engine Spark Plug for Snow Blowers is designed to increase the performance of your snow blower while also increasing its efficiency. In fact, the plug uses up to 13 percent less gas than standard plugs and emits up to 58 percent fewer toxic fumes. Designed to increase horsepower and lower emissionsUses 13 percent less fuel than other spark plugsFor use with 2-cycle and 4-cycle enginesReplaces Champion - DJ6J, DJ7J, DJ8J, DJ7YReplaces NGK - BM6F, BM7F, BPM6F, BPMR6FReplaces Autolite - 2554, 2954, 2956