MCR
4M41 +30 Nozzles - MCR
4M41 +30 Nozzles - MCR
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4M41 +30 Nozzles – MCR (Set of 4)
High-quality Japanese performance nozzle set — MCR +30% injector nozzles
Unlock stronger mid-range torque and cleaner, more efficient combustion with a set of 4× MCR +30 nozzles designed for the Mitsubishi 4M41 3.2L platform. These Japan-manufactured nozzles increase fuel delivery within the usable injection window, allowing reduced pulse width and improved response when paired with correct ECU calibration.
✅ Direct replacement for standard Denso injectors — tuning required
Please leave your Rego & State, or VIN before adding this item to cart.
🔧 Suits
- Mitsubishi Pajero — 4M41 3.2L
- Mitsubishi Triton — 4M41 3.2L
May suit other 4M41 applications — VIN confirmation recommended before ordering.
📦 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 shimming, flow testing, and cleanliness are critical to performance and longevity.
🛠 Minimum Recommended Tools
- Air compressor & blower
- 1/4″ & 1/2″ socket sets + extensions
- Accurate 1/4″ & 1/2″ torque wrenches
- 1/2″ breaker bar
- Injector line spanners / crows foot
- Bench vice
- Scan tool with injector learn / relearn capability
🧼 Additional Consumables (Recommended)
- Brake & parts cleaner
- Clean engine oil or assembly lubricant
- Lint-free cloths
- Injector seat cleaning tools
- 4M41 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
- Front-mount or upgraded intercooler
- High-flow intake system
- Quality 3″ exhaust
- 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?
Are these genuine Japanese MCR nozzles?
Will they increase smoke?
What supporting mods are recommended?
