Features: 1. Replacement for 150cc, 200cc, 250cc vertical engines. Not compatible with GY6 engines or horizontal engines. Designed for ATV use only; not suitable for scooters, go karts, or other vehicles. 2. Ignition kit includes: 1 x CDI, 2 x D8 spark plugs, 1 x electromagnetic relay, 1 x ignition coil, 1 x regulator. 3. Durable construction using ABS+PCC material, resistant to damage and designed for long-term use. 4. Made from high-quality original materials for direct replacement and installation, ensuring stable performance. 5. Ideal for upgrading the original vehicle ignition system, suitable for maintenance, replacement, refurbishment, upgrade, modification, or as a backup. Item Type: CDI Regulator Kit Material: ABS+PCC Specification: 1 Set (includes 1 x CDI, 2 x D8 spark plugs, 1 x electromagnetic relay, 1 x ignition coil, 1 x regulator) Application: Designed for replacement and upgrade of original ignition systems on compatible ATVs. Suitable for maintenance, repair, and performance improvement. Function: Wide compatibility, enhances ignition performance of compatible vehicles. Application: Replacement for 150cc, 200cc, 250cc vertical engines. Not for GY6 or horizontal engines. For ATV use only. Package Includes: 1 x CDI 2 x D8 Spark Plug 1 x Electromagnetic Relay 1 x Ignition Coil 1 x Regulator