Select Vehicle
Select Vehicle

JDC COP Wire Harness for GT-R Coils

This is a high-quality, pre-made wire harnesses for the Evo 4-9. It has connectors for Hitachi or NGK (GT-R) coils and connects right up to the stock Evo connectors for use with a Coil-on-Plug ignition system. The wire harness is complete and ready to be installed on your coil-on-plug system. Check out the other listings for a complete setup or individual pieces for your COP system.

For a full list of colors check out our JDC Titanium Color Options. If you want to learn how to keep your titanium clean take a look at JDC Titanium Maintenance and Care.
  • (1) Fully assembled wire harness
  • Plug & play (No assembly required)
  • Water-resistant (For normal weather and detailing conditions) 
  • High-quality wire sheath (ISO9001 Certified. Rated at 392 degrees and 2500V)
  • 16g Teflon coated Tefzel wire. (Highest quality available on the market)
  • Pins are professionally crimped and sealed
  • Lifetime warranty 

JDC Titanium hardware is backed by a Lifetime Finish Warranty covering fading or discoloration of standard JDC titanium finishes. This warranty applies specifically to qualifying JDC titanium hardware products. Products featuring custom logos, artwork, or special designs may not qualify for standard no-charge refinishing and could require a refinishing fee. Warranty does not cover discoloration due to improper use of chemicals.

For more information see: JDC Warranty Policy

JD Customs USA

JD Customs USA specializes in bespoke titanium pieces with virtually unlimited customization options. Known for vibrant colors and unmatched craftsmanship, we bring your creative visions to life. From precision to personalization, our commitment to quality ensures every piece exceeds expectations. At JD Customs USA, we don’t just create products – we deliver perfection.

View More JD Customs USA Products