spare spark plug for NGK BPMR7A L7T and for Champion CJ8 RCJ6Y RCJ7Y More types for Stihl Sawmill 017 018 MS170 MS180 MS290 MS310 MS390 029 039 About this item Replaceable Models Optimal quality spark plug compatible with NGK BPMR7A BPM7A BM6A L7T and so on. Also suitable for Champion CJ8 RCJ6Y RCJ7Y CJ7Y RCJ8 and for Bosch WSR5F WS8E spark plugs. Reliable spark plug compatible with Stihl MS170 MS180 017 018 TS400 TS410 TS420 TS460 etc. And for Husqvarna 61 266 268 272 272XP chainsaw. Also suitable for 47CC 49CC 50CC 2-stroke engines. Our spark plug can be widely used for chainsaws, lawn mowers, blowers, brush cutters, gas scooters, pocket bikes, ATVs, etc. Universal spark plugs compatible with Husqvarna 577484001 and for Stihl 000 400 7011 for Partner 350 351 saw and fits most 33cc-52cc 2-stroke engines. Our spark plug can be widely used for chainsaws, lawn mowers, blowers, brush cutters, gas scooters, pocket bikes, ATVs, etc. Durable and stable The outer insulator is made of high-quality alumina silicate ceramic treated with corrosion-resistant plating for longer service life. The pure copper core could increase heat transfer and dissipation to easily achieve reliable starting and avoid the risk of overheating.