The GFB FX-S Street is an adjustable fuel pressure regulator for EFI systems supporting up to 800hp. It flows up to 750 lph @ 25psi and offers a wide 25-80 psi static adjustment range.
The FX-S features 4x 1/8in NPT body ports usable for any combination of fuel inlet, gauge or ECU sensor, plus a 1/8in NPT return. A double-reinforced diaphragm rated beyond 500psi burst, Teflon co-polymer seat and spherical stainless valve deliver a precise 1:1 rise rate, compatible with all fuels including E85.
Specifications
| Brand | Go Fast Bits |
| Series | FX-S |
| Type | Adjustable fuel pressure regulator |
| Ports | 4x 1/8in NPT body, 1x 1/8in NPT return |
| Flow | Up to 750 lph @ 25psi |
| Base Pressure | 25-80 psi, adjustable |
| Rise Rate | 1:1 |
| Diaphragm | Double-reinforced, 500+ psi burst |
| System Capacity | Up to 800 hp |
| Fuel Compatibility | All fuels incl. E85 |
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