Usage Tips:Features: 1.Applicable Models: Chainsaw ignition coil is professionally designed for Stihl MS240 MS260 MS290 MS310 MS390 MS380 MS381. 2.Advantages: Ignition coil reduces common ignition coil issues such as no or hard start, long crank time, misfires, lack of power, poor fuel economy. 3.Quick Ignition: The interior of this ignition coil is made of high conductivity copper coil for faster ignition, bringing you more convenience. 4.High Performance: Ignition coil can enhance electrical performance, provides higher intensity sparks, has faster recovery and response. 5.Durable Material: Ignition coil replacement is made of metal and rubber material, rugged, wearproof, scratch resistant, has long use life. Specification: Item Type: Ignition Coil Material: Metal + rubber Application: To improve performance, reduce common ignition coil problems, such as: no or hard start, long crank time, misfires, lack of power, poor fuel economy Fitment: Fit for Stihl MS240 MS260 MS290 MS310 MS390 MS380 MS381