Made of high quality plastic and copper material, tough, high rigidity and collision resistance, very durable and safe to use. Ignition coil helps to improve combustion efficiency and strengthen electrical performance. CDI eliminates rev-limit that restricts engine performance and resets the ignition advance curve for improved acceleration. Regulator rectifier helps dissipate excess voltage, improve charging capability, and prevent battery overcharging. Features stable characteristics and high reliability. Condition: Material: Plastic, Copper Color: Black Size: As shown in picture Package Weight: Approx. 528g / 18.6oz Fitment: - 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 Package Included: 1 x Relay 1 x Regulator Rectifier 1 x CDI 1 x Ignition Coil Note: 1. Easy to install; professional installation is highly recommended. 2. Please allow 0–1 inch error due to manual measurement. 3. The color of actual items may vary slightly from listing images due to differences in computer screen display.