This item will fit all Chinese brands, such as TaoTao, Buyang, Roketa, Coolsport, NST, BMX, Kazuma, Sunl, AIM-EX, Baja, Panterra, Kymco, Carroll Stream Eagle etc and various unlisted makes/models Fits models: GY6 QMJ/QMI157,QMJ/QMI152 4-stroke engines This coil can improve combustion efficiency, strengthen electrical performance Match up exactly with original equipment in perfect fitness, just replace and ride again, easy to install CDI box Feature: Fits: GY6 50cc-150cc 139QMB, 152QMI and 157QMJ engines Connector: AC fired, 6 Pin male plug The orange CDI is a ignition module that has no rev limit and also has a single stage advanced timing circuit, this means that you can get a faster response to rpm acceleration and a higher rpm limit at top end if you use the orange CDI Spark Plug Feature: Models: A7TC colour: Color as shown Material: aluminum size: Thread Diameter: 10mm Hex Size: 5/8 inch CDI dimension: 75mm x 42mm x 24mm(L x W x H) Ignition Coil Feature: Overall Length: 19 inch / 50cm Wire Length: 16 inch Package Contents: 1 * Ignition coil 1 * cdi box 1 * Spark plug Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.