Proton Satria GTI, M21 / Putra - COP Kit – Coilpack Over Plug Conversion for 4G91 / 4G92 / 4G93 / 4G63 DOHC Engines

COP Kit – Coilpack Over Plug Conversion for 4G91 / 4G92 / 4G93 DOHC Engines

Upgrade your ignition system with this COP (Coilpack Over Plug) Kit, designed for Mitsubishi-based 4G-series engines. This setup replaces your old coil packs and bulky spark plug leads with a clean, reliable, and efficient coil-on-plug solution — giving you better spark delivery, smoother performance, and a tidy engine bay.

✅ Compatibility

Perfect fit for:

• Proton Satria GTi / Putra / M21

• Mitsubishi Lancer / Mirage 4G91, 4G92, 4G93 DOHC (NA or Turbo)

• EVO 1, EVO 2, EVO 3, RVR (4G63 / 4G63T)

⚙️ Kit Inclusions

• HARNESS: Plug-and-Play (PnP) harness allowing you to delete old coil packs and spark plug cables

• COIL PACKS: Genuine USED Denso K20 or equivalent high-quality Japanese coils (bench tested before shipping)

• COP COVER / Brackets: Securely houses and protects the coil packs for a professional finish

🔌 Installation Options

Kit 1 – Standard:
Requires splicing wires from the ECU using the supplied resistor.
👉 This step is necessary to reactivate the RPM gauge when converting to the COP setup.
It’s the more budget-friendly option for those comfortable with light wiring work.

Kit 2 – Premium Plug & Play:
Completely plug-and-play harness with the resistor built in — no cutting, no splicing, just plug it in and go.
(Perfect for a clean install and instant functionality, including RPM gauge operation.)

🔥 Why Upgrade?

• Eliminates ageing coil packs and messy plug leads

• Improves ignition reliability and spark strength

• Modernises your ignition system with proven COP technology

• Keeps your RPM gauge fully functional with the correct resistor setup

• Backed by bench-tested Japanese quality for consistent performance

Give your 4G engine the upgrade it deserves — plug in, fire up, and feel the difference with this complete Sus-Tec COP conversion kit.

If you need anything else added to this kit, please email us at please email us at support@theracecartel.com

If you are purchasing small parts, you are better off purchasing a few small parts to save on shipping costs. 

WE SHIP WORLDWIDE - If there are no shipping options for your country at checkout or you can't find the parts you need, please email us at support@theracecartel.com and we will provide you with parts and shipping costs.

Shipping Costs are also based on volumetric weight (based packaging dimensions)  or actual weight whichever us higher.