This item will fit all Chinese , such as , Buyang, Roketa, Coolsport, , , Kazuma, Sunl, AIM, Baja, Panterra, , Eagle etc and unlisted makes/modelsFits models: GY6 QMJ/QMI157,QMJ/QMI152 4stroke enginesThis coil can improve combustion efficiency, strengthen electrical performanceMatch up exactly with original equipment in , just replace and again, easy to install box Feature: Fits: GY6 50cc150cc 139QMB, 152QMI and 157QMJ enginesConnector: AC fired, 6 Pin male plugThe orange is a ignition module that has no limit and also has a single stage advanced timing circuit, this means that you can a faster response to rpm acceleration and a higher rpm limit at top end if you use the orange Spark Plug Feature: Models: A7TCcolour: Color as shownMaterial: aluminumsize: Thread Diameter: 10mmHex Size: 5/8 inch dimension: 75mm x 42mm x 24mm(L x W x H)Ignition Coil Feature: Overall Length: 19 inch / 50cmWire Length: 16 inchPackage Contents: 1 * Ignition coil1 * box1 * Spark plugOnly the above package content, other products are not included.Note: Light 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 +/ 13cm.