Common Rail Cowboys
1KD Flex F55 Boost X Turbo Kit - N70 Hilux
1KD Flex F55 Boost X Turbo Kit - N70 Hilux
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π₯ 1KD Flex F55 Boost X Turbo Kit β Hilux N70 π₯
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Built for Serious Power and Reliability
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The 1KD Flex Boost X Turbo β New Gen Kit is engineered for high-performance builds targeting 330+ RWHP, with a 12% larger A/R compressor cover and boost capabilities up to 45 PSI.
The enlarged outlet lowers turbo blade RPM while maintaining strong boost response, improving durability and delivering stronger performance in the mid to high RPM range.
Featuring an all-new Ultra S-Curve turbine design, the extended and more aggressive rear blades deliver significantly improved airflow and efficiency.
This kit comes with nearly all required installation hardware, making it the ideal choice for custom high-mount 1KD turbo setups.
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π¦ Whatβs Included in the Kit:
- π Flex Boost X Turbo β 7/7 CW Blade Compressor Wheel
- π§ Wastegate Actuator & Mounting Bracket
- π₯ Stainless High-Mount Exhaust Manifold (PPRC)
- π₯ Stainless High-Mount Dump Pipe β Matches factory exhaust flange
- π§© Turbo Gaskets β For manifold and dump pipe
- π© Turbo to Manifold Hardware β Studs + copper-coated nuts
- π© Turbo to Dump Pipe Hardware β Studs + copper-coated nuts
- π’οΈ Stainless Braided Oil Feed Line (-4AN)
- βοΈ Oil Feed Fittings β Banjo bolt, -4AN adapter, copper O-rings
- π§ Oil Return Setup β Weld-on fitting, bolts, Aeroflow Series 500 return line
- π‘οΈ Oil Return Heat Shield β Aeroflow sleeve + clamps
- βοΈ Coolant Feed & Return Lines β Aeroflow Series 500 braided lines
- βοΈ Coolant Fittings β Banjo bolts, barb adapters, copper O-rings
- π‘οΈ Coolant Line Heat Guards β Protective sleeves + clamps
β Vehicle Compatibility:
- Toyota Hilux N70 / KUN26 β 1KD-FTV
- Requires Aftermarket Front Mount Intercooler
β οΈ Additional Fitment Info:
- π οΈ Dump pipe may require adjustment for aftermarket 3" exhaust systems
- β Dump Pipe Adapter Kit available here
- β‘ VNT Simulator may be required to remove factory stepper motor
- π οΈ Factory oil return must be modified to suit new hose
- π§ Intake pipe, intercooler pipe, and coolant line under manifold may need to be modified
- π§ ECU Remapping is required
- π +60 or larger fuel injectors and fuel pump upgrade recommended to utilise this turbo
- βοΈ Other general modifications may be required
Why Buy From Common Rail Cowboys?
- π Performance parts built for Aussie diesel platforms
- π Free Express Shipping Australia Wide
- π³ Humm, Klarna, and Zip Available β Pay Later Options
Serious power needs serious parts β lock in the F55 Boost X Turbo Kit and build your F55 high-mount 1KD the right way. π

