Features: 1. Made of high-quality plastic and copper material, offering high rigidity and impact resistance, durable and safe to use. 2. Ignition coil helps improve combustion efficiency and enhance electrical performance. 3. CDI eliminates rev-limit restrictions and adjusts the ignition advance curve for improved acceleration. 4. Regulator rectifier helps dissipate excess voltage, improve charging capability, and prevent battery overcharging. 5. Stable performance and high reliability. Specifications: Condition: Material: Plastic, Copper Color: Black Size: As shown in picture Package Weight: Approx. 528g / 18.6oz Fitment: Compatible with 50cc, 70cc, 90cc, 110cc, 125cc ATV, dirt bike, go-kart, and scooter models. Ignition Coil fits 50cc to 125cc ATVs, scooters, mopeds, go-karts, and dirt bikes. CDI Box fits 50125cc scooters, mopeds, ATVs, and go-karts with 4-stroke engine and 5-pin plug. Regulator Rectifier fits 50cc to 300cc dirt bikes and ATVs with 4-pin plug. Starter Relay fits 50cc, 70cc, 90cc, 110cc, and 125cc ATVs. Fits most Chinese-brand vehicles including TaoTao, Buyang, SUNL, Roketa, Lifan, AIM-EX, Kazuma, Coolsports, and similar models. Package Included: 1 x Relay 1 x Regulator Rectifier 1 x CDI 1 x Ignition Coil Notes: 1. Easy to install; professional installation is recommended. 2. Please allow 01 inch variation due to manual measurement. 3. Actual item color may vary slightly from images due to screen differences.