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Demon Tweeks£205.91Visit shop Fuelab Fuel Pressure Mini-Regulator (535xx Series) - All Black
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This compact Fuelab Mini EFI Fuel Pressure Regulator is designed for automotive enthusiasts and professional tuners seeking precise fuel pressure control in a lightweight package. Its key benefit is offering the robust features of larger Fuelab regulators in a significantly smaller form factor. A potential caveat is its specific inlet/outlet port sizing (-6 AN) which may require adapters for certain setups. This regulator is built from billet aluminum with an anodized finish, supporting various fuel types and offering adjustable pressure from 25-90 Psi for fuel-injected applications.
| Model Part Number | 53501-1 |
|---|---|
| Brand | Fuelab |
The Fuelab Mini EFI Fuel Pressure Regulator weighs approximately 148g, offering up to a 50% weight reduction compared to larger models.
It is suitable for use with petrol, diesel, methanol, and ethanol fuels.
The pressure range is adjustable from 25 Psi to 90 Psi.
The inlet and return ports all feature -6 AN (JIC) threads.
No, a fuel pressure gauge is not included, but there is a 1/8 NPT port available to install one.
All Fuelab products are covered by a 'Forever Fixed' warranty, protecting the original purchaser against all material or workmanship defects.
This regulator is specifically designed for fuel-injected (EFI) applications. For carbureted systems, you would typically use a different type of regulator.
Check that the fuel pump is functioning correctly and providing adequate flow. Verify all fittings are tight and not leaking. Ensure the return line is not obstructed. Confirm the spring pressure is set correctly for your desired range.
Adjust the regulator's pressure adjustment screw counter-clockwise to lower the pressure. Ensure the reference port is correctly connected to manifold vacuum/boost, or capped if not used.
Ensure all AN fittings are properly tightened using appropriate wrenches. Check O-rings or sealing washers for damage and replace if necessary. Verify the threads on fittings and ports are clean and undamaged.
Some minor noise can be normal under certain flow conditions. However, persistent or loud noise might indicate internal issues or improper installation. Check for vibrations and ensure secure mounting.
Setup: Install the regulator in line with your fuel system, typically after the fuel pump and before the fuel injectors. Ensure the direction of flow matches the arrow on the regulator body. Connect the fuel supply lines to the inlet ports and the return line to the bottom port. The pressure reference port should be connected to a source of manifold vacuum/boost if applicable. A fuel pressure gauge can be connected to the 1/8 NPT gauge port for monitoring.
Compatibility: This regulator is compatible with petrol, diesel, methanol, and ethanol fuels. It features -6 AN (JIC) inlet and return ports and 1/8 NPT ports for reference and gauge connections. Ensure your existing fuel lines and fittings match these specifications or use appropriate adapters.
Care: Due to its robust billet aluminum construction, minimal care is required. Periodically check all fittings for leaks. It is recommended to use a clean fuel filter upstream of the regulator to prevent debris from entering and potentially affecting its operation. Avoid using harsh cleaning chemicals; a damp cloth is usually sufficient for exterior cleaning.
