4.5bar Fuel Pressure Regulator

Raises fuel flow 22.5% over 3bar. The most economical way to get custom fuel flows is with a drop-in fuel pressure regulator. On older design injectors, sum of boost pressure + fpr should never exceed 6bar. New technology injectors (e.g. Genesis) may be pitched up to 8bar rail pressure to achieve higher flow rate with superior atomization.


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  • Model: FPR45BAR
  • Manufactured by: Genesis

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