Features: 1. Replacement for 150cc 200cc 250cc vertical engine; not compatible with GY6 engine or horizontal engine (fits only ATV, 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 backup purposes. 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 renewal of original vehicle ignition systems; suitable for maintenance, replacement, refurbishment, upgrade, modification, and backup use Function: Wide compatibility, enhances ignition performance of original vehicle Compatibility: Replacement for 150cc 200cc 250cc vertical engines; not for GY6 or horizontal engines (ATV only) Package Includes: 1 x CDI 2 x D8 Spark Plug 1 x Electromagnetic Relay 1 x Ignition Coil 1 x Regulator