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The GFB FX-S adjustable fuel pressure regulator is a direct clip-in replacement for common Bosch-style rail regulators, allowing larger pump setups while retaining the factory rail. Adjustable from 1.4 to 5.0 bar, it uses a soft Teflon valve seat for positive sealing on shutdown and a double-layer diaphragm for reinforced strength. The unit is compatible with gasoline, ethanol and methanol and includes a 1/8" NPT port for a gauge or sensor.
GFB FX-S Bosch Fuel Pressure Regulator
