Features: 1. Made of high quality plastic and copper material, tough, high rigidity and collision resistance, very durable and safe to use. 2. Ignition coil helps to improve combustion efficiency and strengthen electrical performance. 3. CDI eliminates rev-limit which restricts engine performance, and resets ignition advance curve for improved acceleration. 4. Regulator rectifier helps dissipate excess voltage, improve charging capability, and prevent overcharging battery. 5. Stable characteristics, high reliability. Specification: 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 Ignition Coil fits 50cc, 70cc, 90cc, 110cc, 125cc ATV, Scooter, Moped, Go kart, and Dirt bike CDI Box fits 50-125cc scooters, mopeds, ATVs, go karts with 4-stroke engine, 5-pin plug Regulator Rectifier fits 50cc to 300cc dirt bikes and ATVs, 4-pin plug Starter Relay fits 50cc, 70cc, 90cc, 110cc, 125cc ATV Fits most Chinese brands including TaoTao, Buyang, SUNL, Roketa, Lifan, AIM-EX, Kazuma, Coolsports, etc. 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 0–1 inch error due to manual measurement. 3. Actual item color may vary slightly from images due to screen differences.