ITEM NAME:Ignition Coil+Racing CDI Box+ Spark Plug For GY6 50 125 150cc Moped Scooter H5Y4 Ignition Coil+Racing CDI Box+ Spark Plug For GY6 50 125 150cc Moped Scooter H5Y4 This is a AC CDI 6(2/4) pins and Aluminum alloy, works with the GY6 type plug on it, with an AC ignition system. This CDI is similar to our performance CDI but has a more aggressive ignition advance curve. Plug and Play installation makes installation a breeze! If your CDI has the same plug, this will work for you! FITS: For the GY6 50cc, 125cc, and 150cc 139QMB, 152QMI and 157QMJ based engines. Part Type: CDI Ignition Coil spark plug set CDI: Size: about 7cm(L) X 4cm(W) X 5cm(H) colour: Orange + black Material: Plastic + metal Ignition Coil: Length of the wire: about 36.7cm Improve combustion, increase electrical performance. Works with Honda GY6 scooter such as Ruckus, Spree, Aero, Elite. The special tight coil design made for current resistance that increases the firing speed. Fits for 50cc QMB139 and 150cc/125cc GY6 engine based scooters, ATVs, Go Karts, Mopeds. Spark Plug: Length: about 6.7cm Spark Plug is a high peformance spark plug. Note: Please check wheather you need the AC fired CDI or DC fired CDI for your scooter before you order it ,thanks. Package Included: 1 X Racing CDI 1 X Ignition Coil 1 X 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.