Applicable to the high voltage package of the ignition coil Stihl ignition coil BG45 BG46 BG50 BG55 BG65 BG85 SH55 SH85 4229 400 1300 The ignition coil converts the low voltage into thousands of volts for high voltage ignition. The coils high performance ignition sparks provide higher intensity sparks with faster recovery and response. Can improve combustion efficiency and improve electrical performance. Made of high quality material, very durable and safe to use. It is closely matched with the equipment and can be used for a long time. Installation and disassembly is simple and convenient, and the use is reliable and durable.