- Fuel, Carbs & Intakes
- Fuel Pressure Regulators
- Fuelab 525 Series Fuel Pressure Regulators
Fuelab 525 Series Fuel Pressure Regulators are designed with performance and flexibility in mind. They accept port style and non-port style union fittings without interference. Several configurations are available, supporting carbureted applications as low as 1 PSI to fuel injected applications up to 125 PSI. The Fuelab 525 Series has its return port in-line with the inlet port (not on the bottom) which allows for easy installation in extremely tight locations.
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Features:
- One -6AN inlet port and one -6AN return port
- Gasoline, diesel, methanol, and ethanol fuel compatible
- Billet Aluminum with anodize per military MIL-A-8625, Type II
- Fine thread pitch for precise pressure adjustment
- Versatile mounting bracket and stainless steel hardware
- 1/8" NPT gauge port with plug for external pressure gauge
- 1/8" NPT pressure reference port with barbed fitting
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525 Series Fuel Pressure RegulatorsPressure Range: Carbureted 1-3 PSI Inlet: -6AN Outlet: -6AN Large Seat
525 Series In-Line Fuel Pressure RegulatorInlet: -6AN (1) Return Port: -6AN (1) Seat Size: Large Pressure Range: Carbureted 1-3 psi Blue
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$223.00
Estimated to ship direct from manufacturer on 04/22/25, pending manufacturer availability.
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525 Series In-Line Fuel Pressure RegulatorInlet: -6AN (1) Return Port: -6AN (1) Seat Size: Large Pressure Range: Carbureted 1-3 psi Purple
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$223.00
Estimated to ship direct from manufacturer on 04/22/25, pending manufacturer availability.
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525 Series In-Line Fuel Pressure RegulatorInlet: -6AN (1) Return Port: -6AN (1) Seat Size: Large Pressure Range: Carbureted 1-3 psi Gold
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$223.00
Estimated to ship direct from manufacturer on 04/22/25, pending manufacturer availability.
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525 Series In-Line Fuel Pressure RegulatorInlet: -6AN (1) Return Port: -6AN (1) Seat Size: Large Pressure Range: Carbureted 1-3 psi Green
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$223.00
Estimated to ship direct from manufacturer on 04/22/25, pending manufacturer availability.
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525 Series Fuel Pressure RegulatorsPressure Range: Carbureted 4-12 PSI Inlet: -6AN Outlet: -6AN Large Seat
525 Series In-Line Fuel Pressure RegulatorInlet: -6AN (1) Return Port: -6AN (1) Seat Size: Large Pressure Range: Carbureted 4-12 psi Black
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$216.00
Estimated to ship direct from manufacturer on 04/22/25, pending manufacturer availability.
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525 Series In-Line Fuel Pressure RegulatorInlet: -6AN (1) Return Port: -6AN (1) Seat Size: Large Pressure Range: Carbureted 4-12 psi Red
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$223.00
Estimated to ship direct from manufacturer on 04/22/25, pending manufacturer availability.
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525 Series In-Line Fuel Pressure RegulatorInlet: -6AN (1) Return Port: -6AN (1) Seat Size: Large Pressure Range: Carbureted 4-12 psi Blue
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$223.00
Estimated to ship direct from manufacturer on 04/22/25, pending manufacturer availability.
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525 Series In-Line Fuel Pressure RegulatorInlet: -6AN (1) Return Port: -6AN (1) Seat Size: Large Pressure Range: Carbureted 4-12 psi Gold
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$223.00
Estimated to ship direct from manufacturer on 04/22/25, pending manufacturer availability.
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525 Series In-Line Fuel Pressure RegulatorInlet: -6AN (1) Return Port: -6AN (1) Seat Size: Large Pressure Range: Carbureted 4-12 psi Green
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$223.00
Estimated to ship direct from manufacturer on 04/22/25, pending manufacturer availability.
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525 Series Fuel Pressure RegulatorsPressure Range: TBI 10-25 PSI Inlet: -6AN Outlet: -6AN Standard Seat
525 Series In-Line Fuel Pressure RegulatorInlet: -6AN (1) Return Port: -6AN (1) Seat Size: Standard Pressure Range: TBI 10-25 psi Black
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$216.00
Estimated to ship direct from manufacturer on 04/22/25, pending manufacturer availability.
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525 Series In-Line Fuel Pressure RegulatorInlet: -6AN (1) Return Port: -6AN (1) Seat Size: Standard Pressure Range: TBI 10-25 psi Red
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$223.00
Estimated to ship direct from manufacturer on 04/22/25, pending manufacturer availability.
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525 Series In-Line Fuel Pressure RegulatorInlet: -6AN (1) Return Port: -6AN (1) Seat Size: Standard Pressure Range: TBI 10-25 psi Blue
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$223.00
Estimated to ship direct from manufacturer on 04/22/25, pending manufacturer availability.
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525 Series In-Line Fuel Pressure RegulatorInlet: -6AN (1) Return Port: -6AN (1) Seat Size: Standard Pressure Range: TBI 10-25 psi Purple
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$223.00
Estimated to ship direct from manufacturer on 04/22/25, pending manufacturer availability.
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525 Series In-Line Fuel Pressure RegulatorInlet: -6AN (1) Return Port: -6AN (1) Seat Size: Standard Pressure Range: TBI 10-25 psi Gold
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$223.00
Estimated to ship direct from manufacturer on 04/22/25, pending manufacturer availability.
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525 Series In-Line Fuel Pressure RegulatorInlet: -6AN (1) Return Port: -6AN (1) Seat Size: Standard Pressure Range: TBI 10-25 psi Green
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$223.00
Estimated to ship direct from manufacturer on 04/22/25, pending manufacturer availability.
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525 Series Fuel Pressure RegulatorsPressure Range: TBI 10-25 PSI Inlet: -6AN Outlet: -6AN Large Seat
525 Series In-Line Fuel Pressure RegulatorInlet: -6AN (1) Return Port: -6AN (1) Seat Size: Large Pressure Range: TBI 10-25 psi Black
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$216.00
Estimated to ship direct from manufacturer on 04/22/25, pending manufacturer availability.
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525 Series In-Line Fuel Pressure RegulatorInlet: -6AN (1) Return Port: -6AN (1) Seat Size: Large Pressure Range: TBI 10-25 psi Red
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$223.00
Estimated to ship direct from manufacturer on 04/22/25, pending manufacturer availability.
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525 Series In-Line Fuel Pressure RegulatorInlet: -6AN (1) Return Port: -6AN (1) Seat Size: Large Pressure Range: TBI 10-25 psi Blue
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$223.00
Estimated to ship direct from manufacturer on 04/22/25, pending manufacturer availability.
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525 Series In-Line Fuel Pressure RegulatorInlet: -6AN (1) Return Port: -6AN (1) Seat Size: Large Pressure Range: TBI 10-25 psi Purple
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$223.00
Estimated to ship direct from manufacturer on 04/22/25, pending manufacturer availability.
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525 Series In-Line Fuel Pressure RegulatorInlet: -6AN (1) Return Port: -6AN (1) Seat Size: Large Pressure Range: TBI 10-25 psi Gold
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$223.00
Estimated to ship direct from manufacturer on 04/22/25, pending manufacturer availability.
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525 Series In-Line Fuel Pressure RegulatorInlet: -6AN (1) Return Port: -6AN (1) Seat Size: Large Pressure Range: TBI 10-25 psi Green
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$223.00
Estimated to ship direct from manufacturer on 04/22/25, pending manufacturer availability.
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525 Series Fuel Pressure RegulatorsPressure Range: EFI 25-90 PSI Inlet: -6AN Outlet: -6AN Standard Seat
525 Series In-Line Fuel Pressure RegulatorInlet: -6AN (1) Return Port: -6AN (1) Seat Size: Standard Pressure Range: EFI 25-90 psi Black
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$199.00
Estimated to ship direct from manufacturer on 04/22/25, pending manufacturer availability.
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525 Series In-Line Fuel Pressure RegulatorInlet: -6AN (1) Return Port: -6AN (1) Seat Size: Standard Pressure Range: EFI 25-90 psi Red
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$206.00
Estimated to ship direct from manufacturer on 04/22/25, pending manufacturer availability.
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525 Series In-Line Fuel Pressure RegulatorInlet: -6AN (1) Return Port: -6AN (1) Seat Size: Standard Pressure Range: EFI 25-90 psi Blue
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$206.00
Estimated to ship direct from manufacturer on 04/22/25, pending manufacturer availability.
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525 Series In-Line Fuel Pressure RegulatorInlet: -6AN (1) Return Port: -6AN (1) Seat Size: Standard Pressure Range: EFI 25-90 psi Purple
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$206.00
Estimated to ship direct from manufacturer on 04/22/25, pending manufacturer availability.
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525 Series In-Line Fuel Pressure RegulatorInlet: -6AN (1) Return Port: -6AN (1) Seat Size: Standard Pressure Range: EFI 25-90 psi Green
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$206.00
Estimated to ship direct from manufacturer on 04/22/25, pending manufacturer availability.
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525 Series Fuel Pressure RegulatorsPressure Range: EFI 25-90 PSI Inlet: -6AN Outlet: -6AN Large Seat
525 Series In-Line Fuel Pressure RegulatorInlet: -6AN (1) Return Port: -6AN (1) Seat Size: Large Pressure Range: EFI 25-90 psi Black
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$216.00
Estimated to ship direct from manufacturer on 04/22/25, pending manufacturer availability.
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525 Series In-Line Fuel Pressure RegulatorInlet: -6AN (1) Return Port: -6AN (1) Seat Size: Large Pressure Range: EFI 25-90 psi Red
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$223.00
Estimated to ship direct from manufacturer on 04/22/25, pending manufacturer availability.
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525 Series In-Line Fuel Pressure RegulatorInlet: -6AN (1) Return Port: -6AN (1) Seat Size: Large Pressure Range: EFI 25-90 psi Blue
View Details
$223.00
Estimated to ship direct from manufacturer on 04/22/25, pending manufacturer availability.
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525 Series In-Line Fuel Pressure RegulatorInlet: -6AN (1) Return Port: -6AN (1) Seat Size: Large Pressure Range: EFI 25-90 psi Purple
View Details
$223.00
Estimated to ship direct from manufacturer on 04/22/25, pending manufacturer availability.
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