Common Rail Cowboys
1KD-FTV 300HP Starter Pack | Flex F55 Low Mount + MCR +50 Injectors | Hilux N70 & Prado
1KD-FTV 300HP Starter Pack | Flex F55 Low Mount + MCR +50 Injectors | Hilux N70 & Prado
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1KD-FTV 300HP Starter Pack
The turbo and the injectors. You bring the pump, the fabrication and the tune.
The Bare Basics for a 300HP 1KD Build: Hilux N70 and Prado
This is not the 250HP drop-in pack. This is the starting point for a proper build. The Flex F55 Low Mount bolts to the factory 1KD manifold and is rated to 50 psi. The MCR +50 injectors on genuine Denso bodies put the fuel behind it. We add the 44mm rear flange so your fabricator can build the dump pipe. Fuel supply is not in the box: a stroker pump or an HP4 conversion is the minimum to see 300 rwhp. Everything else, you still need to sort. Read the whole listing before you buy.
The airflow side. A wastegated F55 in the factory turbo position, bolting to the factory 1KD manifold. No aftermarket manifold. Headroom for 300hp+ with the rest of the build to match.
Factory Manifold Fitment
Low mount. Bolts to the factory 1KD exhaust manifold. Wastegate actuator, bracket, oil lines and gaskets included.
50 PSI Rated
Boost ceiling for serious targets. What you actually run is set by your tuner and the rest of the setup.
Not a Bolt-On
The dump side takes a 44mm flange (included). Dump pipe and intake pipe need to be fabricated to suit.
The fuel side. Genuine Denso bodies fitted with MCR +50% performance nozzles. Every set is built in house and run on our Hartridge Sabre CRi Expert before it ships.
Built
Genuine Denso bodies fitted with MCR +50 nozzles.
Tested
Measured across multiple controlled points for delivery and return flow.
Shimmed
Internal shims and settings corrected to bring each injector into spec.
Re-Tested
Run again to confirm delivery and return flow after adjustment.
Matched
Grouped as a set for consistent injector behaviour.
Coded
Each injector receives its own compensation code from actual bench data.
Every code is recorded against its injector serial number, so the correct code can be loaded into the ECU for each cylinder before installation.
Pick your injector code above: 11, 13 or 18. Not sure? Add your VIN or State and Rego at the top of the page and we confirm before shipping.
- 300hp+ capable with a fuel pump upgrade, front mount intercooler, exhaust, intake, fabrication and quality tuning to match
- F55 airflow on the factory manifold, rated to 50 psi
- +50% fuel volume from matched, coded injectors on genuine Denso bodies
- 44mm rear flange included so the dump pipe can be built without chasing parts
What Is Included
- Flex F55 Low Mount Turbo for 1KD-FTV. Wastegate actuator and bracket, oil lines and gaskets
- 4 x Genuine Denso injectors with MCR +50% performance nozzles. Bench tested, flow matched and individually coded. 11, 13 or 18 code, your pick
- 1 x 44mm Rear Flange for the dump pipe fabrication
Not included: fuel pump upgrade, lift pump, dump pipe, intake pipe, air box, exhaust, intercooler, VNT simulator, injector fitting kit and ECU remap. This is a starter pack. See What You Still Need below.
What You Still Need
- Fuel pump upgrade. Not optional at 300 rwhp. The factory HP3 runs out of rail pressure well before the F55 and +50 injectors do. Minimum is a 1KD stroker pump (or a 1.3mm stroker shaft fitted to your existing pump) paired with a lift pump, or step up to the HP4 conversion. Talk to your tuner about which suits the build.
- Custom fabrication. Dump pipe built to the supplied 44mm flange, and an intake pipe to suit your air box and turbo inlet. Our PPRC 44mm low mount dump pipe and 2.5 to 3 inch adapter kit give your fabricator a head start, but both still need welding to suit your exhaust. Budget for a fabricator either way.
- Upgraded exhaust. A 3 inch turbo-back is the minimum for this combo.
- Upgraded air box. The factory box will not feed it. For the N70 we stock the Phat Bars airbox.
- Front mount intercooler. For the N70 we run the HPD Series 2 intercooler kit.
- VNT simulator. The F55 is wastegated, so the factory VNT stepper motor is no longer used. The 1KD VNT simulator keeps the ECU happy.
- ECU remap. Required. Boost, fuel quantity, rail pressure and timing all need calibrating for the F55, pump and +50 injectors. Do not run this on a factory tune.
- Injector fitting kit. Fresh seat washers, leak-off washers and clamp washers. Genuine fitting kit here.
- Manuals: an NPC clutch upgrade to hold the torque. Autos: trans cooler, converter and valve body upgrades recommended once tuned.
- Other parts and modifications may be required depending on your vehicle and setup. Message us with your build before you order.
Recommended Accessories
Fuel supply: pick one. Stroker pump or shaft with a lift pump, or the HP4 conversion.
Add 1KD Stroker Pump Add 1.3mm Stroker Shaft Add HP4 Kit, New Pump Add HP4 Kit Only (BYO Pump)Required to run it.
Add 1KD VNT Simulator Add HPD Intercooler Kit (N70) Add Phat Bars Airbox (N70) Add Injector Fitting KitExhaust side (N70). Optional.
The stainless low mount manifold replaces the cast factory manifold and bolts straight on. The dump pipe and the 2.5 to 3 inch adapter kit are a head start for your fabricator, not a finished part: both need welding to suit your exhaust.
Add Low Mount SS Manifold Add 44mm Low Mount Dump Pipe Add Dump Pipe Adapter KitHolding the power: NPC x CRC 850Nm clutch and billet flywheel (Hilux N70).
Add Clutch, With Bypass Line Add Clutch, Without Bypass LineVehicle Compatibility
- Toyota Hilux N70 KUN26. 1KD-FTV 3.0L. 2005 to 2015
- Toyota LandCruiser Prado 120. 1KD-FTV 3.0L. 2003 to 2009
- Toyota LandCruiser Prado 150. 1KD-FTV 3.0L. 2009 to 2015
Injector code depends on build date, not just model year. Add your VIN or State and Rego at the top of the page and we confirm what was fitted from factory before shipping.
Installation Notes
Install by a qualified diesel specialist with fabrication capability. Prime the turbo with clean oil before first start. Replace all seals and washers on the injectors. Verify injector codes are loaded against the correct cylinders before the tune. Fit the VNT simulator before first start. Fit the pump upgrade before tuning, and confirm the SCV and lift pump are healthy before chasing boost.
Shipping and Payment
- Free Express Shipping Australia Wide. Full tracking included.
- Build time. Injectors are flow tested and coded to order, allow 2 business days before dispatch.
- Buy Now Pay Later. Afterpay, Humm, Klarna and Zip. Message us if you need a split payment.
- All major credit cards accepted.
Modified Injector Disclaimer
Where a modified or oversized injector is advertised or sold as a Genuine injector, including Denso, the term Genuine refers only to the injector body. It does not refer to the nozzle.
The injector body remains genuine. The nozzle and overall flow characteristics differ from original OEM specifications.
VIN and Compatibility Disclaimer
When you provide your VIN or rego, we confirm the injector type your vehicle left the factory with. This may not be correct if the injectors, harness or ECU have previously been changed.
It is the customer's responsibility to verify injector compatibility before installation.
Frequently Asked Questions
Q: Is this a bolt-on pack?
A: No. The turbo bolts to the factory manifold and the injectors drop in, but the dump pipe and intake pipe need to be fabricated, and a pump upgrade, air box, exhaust, intercooler, VNT simulator and tune are all required.
Q: Do I really need a pump upgrade?
A: Yes, if you want 300 rwhp. The factory HP3 cannot hold rail pressure at the fuel quantity the F55 and +50 injectors are asking for. A stroker pump or stroker shaft with a lift pump is the minimum. An HP4 conversion is the stronger option.
Q: Can I buy the dump pipe instead of having one made?
A: You can add our PPRC 44mm low mount dump pipe and the 2.5 to 3 inch adapter kit, but they are a starting point. Both still need to be welded to suit your exhaust. There is no weld-free dump pipe for this turbo.
Q: Why is it called a starter pack?
A: Because it is the two parts that set the ceiling of the build, the turbo and the injectors, plus the flange to start the fabrication. The pump, intercooler and fab work are build specific, so we leave those to you and your tuner.
Q: Will it make 300hp out of the box?
A: No. 300hp+ is what this combination is capable of supporting with a pump upgrade, intercooler, exhaust, intake, fabrication and quality tuning. On its own it is a box of parts.
Q: Which injector code do I need?
A: 11 code (2005 to 2006), 13 code (2006 to 2009) or 18 code (2009 to 2015). The changeover is by build date, so add your VIN or rego and we confirm before shipping.
Q: Do the injectors come with compensation codes?
A: Yes. Every injector is bench tested on our Hartridge Sabre CRi Expert and receives its own code from measured data, recorded against the serial number on the body.
Q: Do I need a VNT simulator?
A: Yes. The F55 is wastegated, so the factory VNT stepper motor is no longer used. Without the simulator the ECU will throw codes.
Q: How much boost can I run?
A: The turbo is rated to 50 psi. What you run is up to your tuner and the rest of your setup.
Q: 300HP Starter Pack or 250HP Power-Up Pack?
A: The 250HP pack is a drop-in with the Flex 44mm VNT, no fabrication and no pump upgrade. This pack is for builds chasing bigger numbers and willing to pay for a pump and a fabricator. Message us with your goals and we point you at the right one.
Q: Is this legal and will it affect warranty?
A: Performance modifications can affect manufacturer warranty and road compliance. Check local regulations and talk to your tuner and insurer.
F55 AIRFLOW. +50 FUEL. YOU BUILD THE REST.
Flex F55 low mount, MCR +50 injectors bench tested and coded in house, 44mm rear flange. Pump upgrade, fabrication and ECU tune required. Free express shipping Australia wide.
Disclaimer: Common Rail Cowboys is not affiliated with Toyota Motor Corporation or Denso Corporation. Flex is a trademark of its respective owner. MCR Performance nozzles are modified performance parts for off-road and competition use. Fuel pump upgrade, fabrication, other parts, modifications and a custom ECU remap are required. Installation should be carried out by a competent person. Power and boost figures depend on supporting modifications and tuning. Modifications can affect manufacturer warranty and compliance, check local regulations. Confirming fitment for your vehicle is the buyer's responsibility.
