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DIY Evo 4-9 Coil-On-Plug Ignition System Kit

  • $ 8900
  • Save $ 30

This kit includes everything you need to make your own Mitsubishi Evolution 4-9 COP (coil on plug) setup.

The kit includes:

  • Choice of satin black, carbon fiber, or "cut your own" mounting plate. Titanium mounting plates are available here
  • (2) Mitsubishi Evolution male connectors with pins and water seals
  • (4) Denso connectors with pins and water seals
  • Stainless steel mounting hardware
  • High strength/heat tefzel wire (15ft.) 
  • High temperature wire sheath (4.5ft.) 
  • Detailed instructions with pictures and wiring diagram. (Click here for detailed assembly instructions and video.)
  • JDC Stickers for the top of each coil
  • New, or Refurbished Denso Coils (Optional)
  • 1 Year warranty on new Denso coils, 90 days on refurbished Denso coils, lifetime warranty on wire harness and mounting plate
  • Fits under OEM spark plug cover and most aftermarket covers
  • Tested to 913whp @ 0.020" plug gap
  • Military spec heat sleeve protector on wiring, rated to 428degF
  • Tefzel military spec wire, rated to 393degF
  • Plug and Play (no assembly required) 
  • No retune needed after install
  • Gain HP/TQ (8-20 hp is the norm, mod dependent)
  • Greatly reduce or eliminate partial throttle bucking
  • Better idle quality
  • Quicker and easier start especially in colder weather with E85
  • Run more boost without spark blowout issues
  • Run more gap for better fuel burn and increased mpg
  • Plugs last longer due to less fouling
  • Plug changes take minutes less
  • No problem prone CDI Boxes
  • Choice of satin black or carbon fiber mounting plate
  • Non corrosive stainless steel hardware

This kit is designed to work with Denso coils part # 90919-02240/90919-02265. The coils are optional with this kit. You can provide your own coils if you wish. 

Don't forget to change your spark plugs! Add them to your order here: Denso Spark Plugs or NGK Spark Plugs

This kit is very simple to make for yourself if you have basic wiring or automotive knowledge, and it will save you HUNDREDS of dollars over buying the exact same thing made by someone else. This kit uses the exact same high quality materials as Spoolin' Up, but all mounting plates come laser cut! If you would rather purchase a fully assembled kit or a pre-made wire harness, they are available here. You can also purchase individual pieces if you don't need an entire kit. Send us a message if you have questions or call (423) 665-9616. 

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