Package Includes: 3 Pieces Spark Plugs. Material: BM6A spark plug is made of ceramic and metal, strong and durable, can be used for a long time, high temperature resistant, long service life and good reliability. Advantage: The long distance between the spark plug tip and the shell reduces the possibility of fouling and misfire. Directly replacement and installation. Replaceable Models: Quality replacement part Optimal compatible with NGK BPMR7A, BPM7A, BM6A, L7T and so on. Also compatible with Champion CJ8, RCJ6Y, RCJ7Y, CJ7Y, RCJ8, compatible with Bosch WSR5F, WS8E spark plugs. Widely Applications: Universal spark plug, such as brush cutter 260 360 430 520 328, chainsaw 2500 3800 4500 5200 5800, etc.