Mojo performance now offers the GM coil conversions for the RB engines. They are a major upgrade in spark performance over the stock ignition system. The stock coils are getting old, as well as stock wire harness and igniter/connector problems beginning to appear.
Complete kits and components are available. This system eliminates the igniter if so equipped and replaces the stock coil harness. Installation is plug-and play with coil harnesses made by Wiring Specialties. As yet, the NEO engines are not supported, as they use a different bracket mounting arrangement.