Feature 1High performance Ignition Coil based on 2-stroke engine. 2The central dimension of the mounting holes is 52mm. 3Made from high quality material, this ignition coil is very durable in using. 4The coil can improve combustion efficiency and strengthen electrical performance. 5Fit for most 2-stroke 43cc 47cc 49cc pocket bike, dirt bike and mini quad and Chinese gokarts, scooters, mopeds with 2-stroke engine.Features: High performance Ignition Coil based on 2-stroke engine. The central dimension of the mounting holes is 52mm. Made from high quality material, this ignition coil is very durable in using. The coil can improve combustion efficiency and strengthen electrical performance. Fit for most 2-stroke 43cc 47cc 49cc pocket bike, dirt bike and mini quad and Chinese gokarts, scooters, mopeds with 2-stroke engine. Specification: Material: Plastic + Iron Color: Red Mounting Holes Diameter: 52mm Package Weight: 156g/5.5oz Fitment: for most 2-stroke 43cc 47cc 49cc pocket bike, dirt bike and mini quad and Chinese gokarts, scooters, mopeds with 2-stroke engine Package list: 1 * Ignition Coil