MX5/Miata 1.8 COPs Conversion kit (Wired). If you are looking at this kit then you probably already know what it is. Are you building a Turbo or Supercharged MX5, if so then our Coil over plug kit is for you! This kit paired with a standalone ECU like ME221/ME442 or Megasquirt will enable you to run more boost and give your car a more efficient spark at the very least. It will also allow you to run Sequential ignition instead of the Batch-Fire/Wasted spark the MX5 runs with the stock coil packs. We run these very kits on all of our boosted MX5's to allow more control over the ...