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 your bike, and resets ignition advance curve for better 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: For ATV Dirt Bike Go kart 50 70 90 110 125 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 pins plug Regulator Rectifier fits 50cc to 300cc dirt bike and ATVs, 4 pins plug Starter Relay fits 50cc, 70cc, 90cc, 110cc, 125cc ATV Fits most Chinese brands such as 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 Note: 1. Easy to install, but professional installation is recommended. 2. Please allow 0~1 inch error due to manual measurement. 3. The color of the actual items may vary slightly from the listing images due to different screen settings.