Go Fast Bits FX-S Fuel Pressure Regulator w/ 1/8″ NPT Ports

Whether you run pump petrol/gasoline, Ethanol, Methanol or Diesel, a single small pump or a massive triple setup, the GFB FX range has you covered no matter what your Fuel Pressure Regulator requirements are. If you’re looking for an EFI Fuel Pressure Regulator that seals and behaves just like your factory unit but with the added reliability and high flowing capacity you require, then look no further than the FX range. 

GFB engineers have spent countless hours developing a unique replaceable co-polymer valve seat. Conventional aftermarket performance Fuel Pressure Regulators typically utilize a metal-to-metal valve and seat which by nature will not positively hold pressure when your engine is shut down, which can make startup more difficult.

Features: 

• 4x 1/8” NPT body ports which can be used for any combination of fuel inlet/s or pressure gauge/ECU sensor, and 1x 1/8” NPT return port
• Flows up to 750 litres per hour @ 25psi
• 1:1 fuel pressure rise rate
• Double layer/double reinforced diaphragms with a burst strength exceeding 500psi
• Teflon co-polymer seat with spherical stainless valve to retain fuel pressure longer after shut down
• Spring pre-load adjustment screw is o-ring sealed and does not leak vacuum/boost
• Static pressures adjustable from 25psi to 80psi
• Completely serviceable

Fitment Note: This is a universal product that will require various supplemental aftermarket components to be used on your Subaru. If you are unsure what FPR you need, please contact us with any questions about which FPR is correct before purchasing to ensure proper compatibility.