72cc Scooter Big Bore Kit W/ Head Cam GY6 Coil AC CDI Performance Exhaust Fits manyChineseScooters. Free Shipping To Continental US Please note, any product that is returned will be refunded minus the original shipping costs.(i.e. The cost to ship the order to you) If you are ordering electrical components please make sure which CDI you need (AC or DC) before you order. Due to the eccentric nature of Go Karts wiring there is no guarantee that our CDIs or Coils will work with Go Karts. Please Note: many photos are stock images and although no functionality will change, the part you receive might vary in color or aesthetic appearance.