{"product_id":"4jj1-30-injector-nozzles-mcr-pre-dpf-isuzu","title":"4JJ1 +30 Injector Nozzles – MCR | Pre-DPF Isuzu","description":"\u003c!-- ==================== Product: 4JJ1 +30 Injector Nozzles – MCR (Pre-DPF) ==================== --\u003e\n\u003cstyle\u003e\n  details summary {\n    cursor: pointer;\n    list-style: none;\n    position: relative;\n    padding-left: 16px;\n    font-weight: bold;\n    margin: 8px 0;\n  }\n  details summary::before {\n    content: \"›\";\n    position: absolute;\n    left: 0;\n    top: 2px;\n    transition: transform .2s ease;\n    font-size: 1.2em;\n    line-height: 1;\n  }\n  details[open] summary::before { transform: rotate(90deg); }\n  details div { padding: 8px 0 6px 18px; }\n\n  .crc-badges{\n    display:flex;\n    flex-wrap:wrap;\n    gap:8px;\n    margin:10px 0 16px;\n    justify-content:center;\n  }\n  .crc-badges span{\n    display:inline-block;\n    border-radius:999px;\n    padding:6px 12px;\n    font-size:12px;\n    font-weight:700;\n    white-space:nowrap;\n  }\n  .badge-purple{ background:#6a1b9a; color:#fff; }\n  .badge-black{ background:#111; color:#fff; }\n  .badge-green{ background:#e9f7ef; color:#0b6b3a; }\n  .badge-gold{ background:#ffefd6; color:#6b4c00; }\n\u003c\/style\u003e\n\u003cdiv class=\"product-description\"\u003e\n\u003ch1 style=\"text-align: center;\"\u003e\u003cstrong\u003e\u003cu\u003e4JJ1 +30 Injector Nozzles – MCR (Pre-DPF Isuzu)\u003c\/u\u003e\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cdiv class=\"crc-badges\"\u003e\n\u003cspan class=\"badge-purple\"\u003eMCR Precision Performance\u003c\/span\u003e \u003cspan class=\"badge-black\"\u003e🇯🇵 Japanese Made\u003c\/span\u003e \u003cspan class=\"badge-green\"\u003e🚚 Free Express AU Shipping\u003c\/span\u003e \u003cspan class=\"badge-gold\"\u003e💳 Afterpay • Humm • Klarna • Zip\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp\u003eThese are \u003cstrong\u003einjector nozzles only\u003c\/strong\u003e for \u003cstrong\u003eIsuzu 4JJ1 pre-DPF engines\u003c\/strong\u003e. They are \u003cstrong\u003enot complete injectors\u003c\/strong\u003e and must be installed into compatible \u003cstrong\u003eDenso injector bodies\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cstrong\u003eImportant:\u003c\/strong\u003e This listing is for \u003cstrong\u003einjector nozzles only\u003c\/strong\u003e. If you are looking for \u003cstrong\u003ecomplete 4JJ1 +30 injectors\u003c\/strong\u003e, view our injector assemblies instead.\u003c\/blockquote\u003e\n\u003cp\u003eManufactured in Japan to tight tolerances, \u003cstrong\u003eMCR +30 injector nozzles\u003c\/strong\u003e increase fuel delivery by approximately \u003cstrong\u003e30%\u003c\/strong\u003e, making them ideal for upgraded turbo and tuned 4JJ1 setups where additional fueling headroom is required.\u003c\/p\u003e\n\u003chr\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003e🔧 Suits\u003c\/summary\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsuzu D-MAX 4JJ1\u003c\/strong\u003e — 2007–2016 (Pre-DPF)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHolden Colorado RC 4JJ1\u003c\/strong\u003e — 2008–2012\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHolden Rodeo RA7 4JJ1\u003c\/strong\u003e — 2007–2008\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"font-size: .95em; color: #555;\"\u003e\u003cstrong\u003eCompatible injector bodies:\u003c\/strong\u003e Denso 095000-6980 \/ 095000-8340\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003e⚙ Key Features\u003c\/summary\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e+30% fuel flow increase\u003c\/strong\u003e over OEM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInjector nozzles only\u003c\/strong\u003e — not a complete injector\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupports high boost\u003c\/strong\u003e (~45 PSI with correct tuning)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesigned for pre-DPF 4JJ1\u003c\/strong\u003e spray patterns\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eJapanese precision manufacturing\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e\n\u003cdetails\u003e\n\u003csummary\u003e💡 Why Choose MCR Injector Nozzles?\u003c\/summary\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eConsistent, repeatable fuel delivery\u003c\/li\u003e\n\u003cli\u003eTrusted by diesel tuners across Australia \u0026amp; Thailand\u003c\/li\u003e\n\u003cli\u003eIdeal match for upgraded turbochargers\u003c\/li\u003e\n\u003cli\u003eMaintains good idle and drivability when tuned correctly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003e🛠 Installation Notes\u003c\/summary\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eProfessional installation strongly recommended\u003c\/li\u003e\n\u003cli\u003eInjectors must be recalibrated and coded after fitment\u003c\/li\u003e\n\u003cli\u003eNew seals and seat washers required\u003c\/li\u003e\n\u003cli\u003eECU tuning mandatory after installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003eAre these complete injectors?\u003c\/summary\u003e\n\u003cdiv\u003eNo. These are \u003cstrong\u003einjector nozzles only\u003c\/strong\u003e and must be fitted to suitable Denso injector bodies.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDo I need tuning after installing these nozzles?\u003c\/summary\u003e\n\u003cdiv\u003eYes. ECU calibration is required to safely utilise the additional fuel and control AFR and EGT.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWill these suit DPF 4JJ1 engines?\u003c\/summary\u003e\n\u003cdiv\u003eNo. These nozzles are designed specifically for \u003cstrong\u003epre-DPF\u003c\/strong\u003e 4JJ1 engines only.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e","brand":"MCR","offers":[{"title":"Default Title","offer_id":43587051651126,"sku":null,"price":884.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0567\/7868\/6518\/files\/rn-image_picker_lib_temp_f74cd767-ccb8-49f8-95b7-7fbbd51627e4.png?v=1730514745","url":"https:\/\/www.commonrailcowboys.com\/products\/4jj1-30-injector-nozzles-mcr-pre-dpf-isuzu","provider":"Common Rail Cowboys","version":"1.0","type":"link"}