Description
If you are running upgraded injectors such as FK8td.com 1500cc, the restriction often moves to the high-pressure hardline connecting the High-Pressure Fuel Pump (HPFP) to the fuel rail.
Internal Geometry & Boring
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Proprietary Smooth-Bore Reaming: Unlike DIY setups that are hand-drilled (which leaves internal scoring and irregular steps), FK8TD utilizes a specialized boring process to enlarge brand-new OEM Honda high-pressure lines. This creates a completely uniform, mirror-smooth inner diameter.
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Dual-Angled Entry Taper: The line entry point features a custom dual-angle taper. This taper drastically improves the fluid transition as fuel leaves the HPFP discharging into the rail.
Performance & Calibrating Benefits
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Pulsation Dampening: The internal volume and smooth finish are precisely calculated to help absorb and dampen the severe pressure pulsations generated by the mechanical pumping action of high-volume DI pumps.
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HPFP Duty Cycle Drop: Real-world logging and data show up to a 10% reduction in high-pressure pump duty cycle compared to standard hand-drilled alternatives. This gives your high-pressure pump more headroom, cleaner fuel atomization, and better rail pressure control at high RPM under maximum target load.
Due to the lack of availability Shipping insurance is now included in the price no exceptions. This is to safeguard you as the customer.
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