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1KD +50 Injector Nozzles – MCR | Toyota Hilux & Prado

1KD +50 Injector Nozzles – MCR | Toyota Hilux & Prado

Regular price $1,130.00 NZD
Regular price Sale price $1,130.00 NZD
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1KD +50 Injector Nozzles – MCR (Toyota Hilux & Prado)

⚡ MCR Precision Performance 🇯🇵 Japanese Manufactured 🔥 up to +50% Fuel Flow 🧠 ECU Tune Required 🚚 Free Express AU Shipping

High-Output Injector Nozzles — MCR +50% for Serious 1KD Builds

Manufactured in Japan, MCR +50 injector nozzles increase fuel delivery by approximately 50%, allowing significantly more fuel within the optimal injection window. They are intended for high-output, high-boost 1KD builds with upgraded turbochargers and professional ECU tuning.

⚠️ Important: This listing is for injector nozzles only — not complete injectors. These must be installed into compatible Denso injector bodies. If you need complete +50 injectors, please view our injector assemblies instead.


🔧 Vehicle Compatibility
  • Toyota Hilux N70 – 1KD-FTV (2005–2015)
  • Toyota Prado 120 / 150 – 1KD-FTV
  • Toyota HiAce – 1KD-FTV (as equipped)

✅ Compatible injector bodies: Standard Denso 1KD injectors. These nozzles are designed for high-output builds and must be professionally installed and tuned.


⚙️ Key Features
  • up to+50% fuel flow increase over OEM nozzles
  • Injector nozzles only — not complete injectors
  • Supports high boost & rail pressure with correct tuning
  • Designed for performance 1KD builds with upgraded turbos
  • Japanese precision manufacturing — MCR quality

📦 What's Included
  • 4 × MCR +50 Injector Nozzles (genuine, Japan-made)

Bare minimum to get the job done — add the Nozzle Washer Kit:

You'll need fresh nozzle washers to seal properly. This is the absolute minimum — reuse everything else at your own risk.

🛒 Add Nozzle Washer Kit

Do it properly — add the full Injector & Rocker Cover Fitting Kit:

If you're pulling the injectors out anyway, replace all the seals. 30-piece genuine kit covers rocker cover gasket, injector seals, washers and hardware.

🛒 Add Injector & Rocker Cover Fitting Kit

Injector bodies not included — nozzles only.


💡 Why Choose MCR +50 Injector Nozzles?
  • Cleaner combustion with reduced pulse width when tuned correctly
  • Trusted by performance diesel builders in Australia & Thailand
  • Ideal match for large single or compound turbo setups
  • Consistent spray pattern and repeatable results
  • Built for serious builds — not a bolt-on for stock setups

🛠️ Installation Notes
  • Professional installation strongly recommended
  • Injectors must be bench tested, shimmed and balanced after nozzle fitment
  • New seals and seat washers required
  • ECU tuning mandatory after installation
  • Suitable for high-boost builds with upgraded turbo, FMIC, exhaust

⏱️ Estimated install time: 2–5 hours (skill-dependent)
🔥 Professional tuning is non-negotiable. These nozzles require careful ECU calibration to manage the additional fuel.


🧪 Tuning & Setup Requirements
  • ECU remap required to calibrate fueling, rail pressure and manage EGTs
  • Have injectors bench-tested and shimmed after nozzle fitment
  • Verify correction codes and perform injector learn/adaptation with scan tool
  • Upgraded turbo, FMIC, exhaust and monitoring gauges recommended

⚠️ These are not a plug-and-play upgrade. +50 nozzles are for experienced builders with supporting modifications and access to professional tuning. Running these without proper setup will cause excessive smoke, poor performance and potential engine damage.


💳 Payment & 🚚 Shipping
  • 💸 Buy Now, Pay Later: Afterpay, Humm, Klarna & Zip available
  • ✈️ Free Express Shipping Australia-Wide
  • 📦 Fast, trackable dispatch

❓ Frequently Asked Questions

Are these complete injectors?
No. These are injector nozzles only and must be fitted to suitable Denso injector bodies by a qualified diesel specialist.

Do I need tuning after installing these nozzles?
Yes — absolutely. ECU calibration is required to safely utilise the additional fuel and manage AFR and EGT. Don't run these without a professional tune.

What power can these support?
Power depends on turbo, air supply and tuning. These nozzles are commonly used in high-output 1KD builds where stock or +30 nozzles become a limitation. Expect them to support builds well into the 300+ rwhp range with appropriate supporting mods.

Will these suit DPF models?
Fitment depends on injector body type. Contact us with your VIN to confirm compatibility before ordering.

Can I just use the nozzle washers, or do I need the full fitting kit?
The nozzle washer kit is the bare minimum to seal the nozzles. If you're already pulling injectors out, the smart move is replacing all seals with the full Injector & Rocker Cover Fitting Kit — saves pulling it apart twice.

What's the difference between +30 and +50 nozzles?
+30 nozzles are 30% more fuel flow than stock, suitable for moderate builds with factory or mildly upgraded turbos. +50 nozzles are 50% more flow and intended for serious high-boost setups with large turbos, intercoolers and full supporting modifications.

⚡ HIGH-OUTPUT 1KD BUILDS DEMAND MCR +50 NOZZLES

Genuine Japan-made MCR +50% nozzles. For serious builds with upgraded turbo & professional tuning. Free Express shipping AU-wide.

Disclaimer: Common Rail Cowboys is not affiliated with Toyota Motor Corporation or MCR. Professional installation and tuning required. For off-road / competition use only.

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