JDC DIY COIL-ON-PLUG IGNITION SYSTEMS EVO 4-9

$189.98

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Suffering from spark blowout issues on your underpowered OEM coils? The JDC Ignition System is what you need!

The DIY JDC Ignition System allows you to purchase the same high quality wire harness, mounting plate, and mounting hardware, but leaves out the coils 
for you to decide which ones to use. 
 
Features:
  • No coils included. We’ve left that up to you on this one!
  • Lifetime warranty on wire harness and mounting plate
  • Recommended use with Denso 90919-02240 or 90919-02265 type coils
  • Military spec wire sheath, rated to 428degF
  •  Military spec tefzel wire, rated to 393degF
  • Waterproof seals on all ports of wire harness
  • Plug-and-Play Wire Harness (no assembly required)
  • Satin black, Carbon Fiber, or Titanium mounting plate
  • Standard or “Hideaway” wire harness
  • Stainless steel or Titanium hardware

What’s in the box?

  • Mounting plate
  • Assembled Wire Harness
  • Mounting Hardware
  • 15A Fuse
  • Installation Instructions & warranty information
  • JDC Stickers for the top of each coil
Which coils should I use? 
We recommend running authentic Denso coils. The two most popular part numbers for the best performance would be Denso 90919-02240 or 90919-02265. These have both been used by the top companies in the industry for many years and have proven to be the best performing and longest lasting option available. Select your options from the drop down menu and let us know if you have any questions!

Why choose the “Hideaway” wire harness?

This harness uses the same high quality connectors, military spec tefzel wire, and wire sheath as our standard COP wire harness, but this one hides under the mounting plate for a super clean, wire tucked look! This harness offers the same quality and performance as you’d expect from any product offered by JD Customs USA!

How is this harness different?

Both leads come out from the valve cover on the right side and are concealed by a single wire sheath. The right side connector makes its hidden connection behind the thermostat housing and the left side lead can be ran under or over the intake manifold to make its connection behind the valve cover for another hidden connection.

Titanium:
Titanium mounting plates will vary in color. To request a certain color please email or message us before purchasing. We do not warranty the anodized finish on these plates. Please make sure to only clean them with a light detergent and microfiber towel. Harsh chemicals may tarnish or remove the colored finish. You may send the plate back for a free re-coloring, but customer is responsible for paying shipping both ways. Visit our website for more information or give us a call.
SKU JDC DIY COIL-ON-PLUG IGNITION SYSTEMS EVO 4-9 Categories ,
Add Titanium Mounting hardware to your order here: Ti Hardware

Features:

  • 3 Year warranty on new Denso coils, 2 year on refurbished, 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 wire sheath, rated to 428degF
  •  Military spec tefzel wire, rated to 393degF
  • Waterproof seals on all ports of wire harness
  • 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, carbon fiber, or Titanium mounting plate
  • Choice of standard or “Hideaway” wire harness
  • Non corrosive stainless steel hardware. (Click here for titanium)

What’s in the box?

  • Assembled JDC Coil-On-Plug Ignition System
  • Mounting Hardware
  • 15A Fuse
  • Installation Instructions & warranty information

Introducing our new ‘Hideaway” wire harness!

This harness uses the same high quality connectors, military spec tefzel wire, and wire sheath as our standard COP wire harness, but this one hides under the mounting plate for a super clean, wire tucked look! This harness offers the same quality and performance as you’d expect from any product offered by JD Customs USA. This harness is sold separately, or can be added to any of our ignition system options for an additional $30.

How is this harness different?

Both leads come out from the valve cover on the right side and are concealed by a single wire sheath. The right side connector makes its hidden connection behind the thermostat housing and the left side lead can be ran under or over the intake manifold to make its connection behind the valve cover for another hidden connection. Click here for more info on the “Hideaway” harness.

Mounting Plate

Satin Black (Evo 4-8)

Wire Harness

Standard

Mounting Hardware

Stainless

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