This is a high-quality, pre-made wire harnesses for the Evo 4-9. It has connectors for Denso coils and connects right up to the stock Evo connectors for use with a Coil-on-Plug ignition system. Select from 099700-070 or 90919-02240 style connectors depending on the type of coils you are using with your setup. We also offer extended-length harnesses for cars with a wire tuck (made to order). The wire harness is complete and ready to be installed on your coil-on-plug setup. Check out the other listings for a complete setup or individual pieces for your COP setup.
I got the DIY harness for a junkyard COP, and it all worked great, but it's not the easiest thing to assemble, so I always doubted my own work. Knowing that this one was made by a professional dismisses those doubts, and I can enjoy my car without relying on my shade tree engineering skills.