Compatible with certain models like CH18 CH20 CH22 CH23 CH620 CH640 CH670 CH674 CH680 CH730 CV17 CV18 CV20 CV22 CV23 CV624 CV675 CV730 SV710 SV720 SV725 SV730 SV810 SV820 SV830 etc. Replacement parts include 24 584 45-S, 24 584 01-S, 24 584 04-S; suitable for a certain brand MIU11542, M132370. Please check compatibility before purchase. Constructed from high-grade materials for enhanced durability and long-lasting service, ensuring your engine performs at peak efficiency. Addresses issues caused by the outdated ignition coil. Package includes: 2X Ignition Coils (without screws), designed for easy installation and direct replacement of the old coil. Warranty: If for any reason you are not satisfied with your purchase, please contact us directly. We provide a 1-year warranty and a 100% satisfaction guarantee.