Maximise the power and efficiency of your 4JJ3 engine with MCR +30 Injector Nozzles – engineered for serious diesel performance. Manufactured in Japan and distributed by MCR Thailand, these nozzles deliver reliable fuel flow and consistent results for tuned D-MAX, MU-X and BT-50 builds running stock or upgraded turbos.

• 🔧 Direct upgrade for 4JJ3 DPF engines – purpose-made fitment
• ⚙️ +30% fuel flow increase – more fuel for more power (with tuning)
• 🚀 Supports ~40–50 PSI boost (with upgraded pump) – ideal for F44 & F55 turbo setups
• 🛠️ Premium Japanese manufacturing – precise spray pattern and durability under load

• Isuzu D-MAX – 4JJ3 (DPF)
• Isuzu MU-X – 4JJ3 (DPF)
• Mazda BT-50 – 4JJ3 (DPF)

Note: ECU tuning is required. DPF delete and other supporting mods may also be needed depending on your setup and local regulations.

• Professional installation recommended: Injectors should be fitted, shimmed and flow-tested by a diesel specialist.
• ECU remap required: To calibrate fuel delivery, manage EGTs and safely unlock gains.
• Supporting mods: Intercooler, intake/exhaust and turbo upgrades (e.g. F44 / F55) recommended for higher outputs.
• Compliance: Any emissions-related changes must comply with local laws; off-road/competition use where applicable.
• Important: These nozzles behave very close to stock without increased rail pressure.

• 💳 Afterpay, Humm, Klarna & Zip available
• ✈️ Free Express Shipping Australia-Wide — fast, trackable dispatch (usually same or next business day if in stock. If out of stock, expect ~1.5–3 weeks. Message us if urgent.)