No limit racing CDI for GY6 50cc 125cc 150cc scooter ATV go kart performance This item will fit all Chinese , such as , Buyang, Roketa, Coolsport, , BMX, Kazuma, Sunl, AIM-EX, Baja, Panterra, , Stream Eagle etc and unlisted makes/models<br> Fits models: GY6 QMJ/QMI157,QMJ/QMI152 4-stroke engines<br> This coil can improve combustion efficiency, strengthen electrical performance<br> Match up exactly with original equipment in , just replace and ride again, easy to install<br> CDI box Feature: Fits: GY6 50cc-150cc 139QMB, 152QMI and 157QMJ engines<br> Connector: AC fired, 6 Pin male plug<br> The orange CDI is a ignition module that has no 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<br> Spark Plug Feature: Models: A7TC<br> colour: Color as shown<br> Material: aluminum<br> size: Thread Diameter: 10mm<br> Hex Size: 5/8 inch<br> CDI dimension: 75mm x 42mm x 24mm(L x W x H)<br> Ignition Coil Feature: Overall Length: 19 inch / 50cm<br> Wire Length: 16 inch<br> Package Contents:<br> 1 * Ignition coil<br> 1 * cdi box<br> 1 * Spark plug<br> Only the above package content, other products are not included.<br> 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 +/- 1-3cm.