AC Electrical Power Pack for 50cc – 150cc 4-Stroke GY6 Scooters, ATVs, and Go Karts By popular demands, we have put the best electrical power package for your 50cc 139QMB and 150cc GY6 engine need. With a good, strong NGK iridium spark plug, a no rev limit CDI, and high output ignition coil, you will get the spark with the correct timing for the best performance your moped scooter, ATV, or go kart has been starving for. INCLUDES: No Rev Limit CDI (6 Pin Female Connection) High Output Ignition Coil (2 Spade) NGK Iridium Spark Plug We have combined these high performance products together because it does take all three to get what you are looking for in a performance upgrade that gets the job done. **Note: This AC CDI will not work on ZNEN brand vehicles such as Lance and Flyscooters. Please compare plug before purchasing to ensure correct fitting. **NOTE: Electrical, High Performance, Aftermarket items are non-returnable, please check photos and specifications before ordering. Please see our Warranty and Returns Policy