• MCR +30 injector nozzle upgrade for diesel engines
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MCR

4D56 +30 Nozzles - MCR

4D56 +30 Nozzles - MCR

$884.00 AUD
$884.00 AUD
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Fitment Check (nozzles)

Provide rego & state or a 17-character VIN to proceed.

4D56 +30 Nozzles – MCR (Set of 4)

MCR – Only the best quality 100% 🇯🇵 Japanese Manufactured 🧠 ECU Tune Required 🚚 Free Express AU Shipping

High-quality Japanese performance nozzle set — MCR +30% injector nozzles

Increase torque, improve throttle response, and clean up combustion with a set of 4× MCR +30 nozzles for Mitsubishi 4D56 common-rail diesel engines. These Japan-manufactured nozzles deliver increased fuel volume within the usable injection window, allowing shorter pulse widths and better control when paired with the correct tune.

✅ Direct replacement for standard Denso injectors — tuning required

Please leave your Rego & State, or VIN before adding this item to cart.
🔧 Suits
  • Mitsubishi Triton — 4D56 2.5L
  • Mitsubishi Pajero — 4D56 2.5L
  • Mitsubishi Challenger — 4D56 2.5L

VIN confirmation recommended before ordering to ensure correct injector variant.

📦 What’s Included
  • 4 × MCR +30 injector nozzles (Japan-manufactured)

Injectors, seals and fitting kits not included unless stated.

🧰 Installation Notes

Professional installation by a diesel injector specialist is strongly recommended. Correct cleanliness, shimming and flow testing are critical for performance and injector life.

🛠 Minimum Recommended Tools
  • Air compressor & blower
  • 1/4″ & 1/2″ socket sets + extensions
  • Accurate torque wrenches
  • Injector line spanners / crows foot
  • Bench vice
  • Scan tool with injector relearn capability
🧼 Additional Consumables (Recommended)
  • Brake & parts cleaner
  • Clean engine oil or assembly lubricant
  • Lint-free cloths
  • Injector seat cleaning tools
  • 4D56 injector fitting kit

⏱️ Estimated install time: ~2–5 hours (skill dependent)

🔥 ECU tuning required after installation.

🧪 Tuning & Setup
  • ECU remap required to correctly scale fueling and rail pressure
  • Injectors should be bench-tested and shimmed after nozzle installation
  • Perform injector learning / adaptation using a compatible scan tool
  • Monitor EGTs and boost post-tune
💡 Recommended Supporting Mods
  • Upgraded intercooler
  • High-flow intake
  • 3″ exhaust system
  • Accurate boost & EGT monitoring

Emissions-related modifications may be restricted for road use — check local regulations.

💳 Payment & 🚚 Shipping
  • Afterpay, Humm, Klarna & Zip available
  • Free Express Shipping Australia-Wide

Frequently Asked Questions

Do I need a tune after installing +30 nozzles?
Yes — ECU calibration is required to safely manage fueling, rail pressure and EGTs.
Are these genuine Japanese MCR nozzles?
Yes — manufactured in Japan to MCR specification for consistent flow and reliability.
Will they increase smoke?
With correct tuning and healthy injectors, smoke is typically well controlled and often improved over untuned setups.
What supporting mods are recommended?
An upgraded turbo, intercooler, exhaust, and proper monitoring are strongly recommended to safely utilise the extra fuel.
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