Features: 1. Applicable Models: Chainsaw ignition coil is designed for Stihl MS240, MS260, MS290, MS310, MS390, MS380, and MS381. 2. Advantages: Helps reduce common ignition issues such as difficulty starting, extended cranking, misfires, lack of power, and poor fuel efficiency. 3. Quick Ignition: Internal copper coil construction supports fast and reliable ignition. 4. High Performance: Enhances electrical performance with strong spark output, fast response, and improved recovery. 5. Durable Construction: Built with metal and rubber materials for increased durability, wear resistance, and long service life. Specification: Item Type: Ignition Coil Material: Metal + Rubber Application: Designed to improve engine performance and address common ignition problems including hard starting, long crank time, misfires, power loss, and reduced fuel economy Fitment: Compatible with Stihl MS240, MS260, MS290, MS310, MS390, MS380, and MS381