FlexAppeal4x4
Nissan Patrol TD42 Injector Pump & Injectors – 250HP+ Combo
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Unleash serious power and reliability from your TD42 with this complete diesel fuel system upgrade. The FlexAppeal4x4 250HP+ Combo includes a high-performance FAP4x4 mechanical injector pump and a matched set of injectors — built and tested together for optimal flow, atomization, and drivability.
Perfect for high-boost applications running aftermarket turbos, intercoolers, and tuned setups. Whether you’re chasing EGT control, fast spool, or maximum torque, this combo delivers consistent fuel delivery under load.
What’s Included:
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🟢 FAP4x4 Performance Injector Pump
Custom-built VE-style pump featuring a 12mm head & rotor, steep-ramp cam plate, and high-lift delivery valves. Tuned for crisp throttle response and consistent fueling up to 250+ HP on TD42. -
🟢 Matched TD42 Diesel Injectors
Flow-balanced, pop-tested, and pre-set for use with this pump. Built to handle high fuel volume and boost while maintaining spray pattern and combustion efficiency.
Ideal For:
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High-performance TD42 builds
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High flow turbo setups
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15-30 PSI boost applications
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Touring and competition vehicles
Key Features:
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Designed for TD42 mechanical engines (GQ & GU)
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Built in-house using tested Bosch/Denso/Zexel components
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Supports up to 250+ HP with supporting mods
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12-month warranty included
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Free phone support for install and tuning tips
Upgrade once. Do it right.
FAP4x4 combo kits are assembled with one goal: reliable, real-world power for real diesel builds.
Materials
Materials
Shipping & Returns
Shipping & Returns
Dimensions
Dimensions
Care Instructions
Care Instructions




