AEM Fuel Regulators
AEM Performance Electronics adjustable fuel pressure regulators (FPR) represent the absolute benchmark for precise mechanical fuel system management in high-performance street, circuit, drift, and drag racing applications. Engineered to provide razor-sharp control over your engine's fuel rail delivery, a premium AEM regulator ensures rock-solid pressure stability even when feeding high-flow aftermarket fuel pumps.
Every AEM fuel pressure regulator features a true 1:1 boost-dependent rising rate profile. This means that for every single pound of boost pressure pushed through your turbocharger or supercharger manifold, the regulator matches it with an exact 1 psi increase in base fuel pressure—completely eliminating lean spots at high RPM. CNC-machined from premium 6061-T6 billet aluminum and treated with a deep black anodized anti-corrosion finish, these units are 100% chemically compatible with standard petrol, race gas, and high-concentration E85 ethanol fuels.
Core AEM Product Lines We Stock:
• AEM Universal Regulators (NPT & -6AN): Tapped to handle multi-port setups with interchangeable discharge ports, making them easily adaptable to virtually any custom aluminum fuel rail or fuel cell configuration up to 1000 HP.
• AEM Direct Bolt-On Honda Regulators: Specifically engineered as a direct replacement mount onto factory Honda/Acura fuel rails (including B-Series, D-Series, and H-Series engines), retaining your clean OEM routing layout while providing full mechanical adjustment from 20 PSI up to maximum pump capacity.
Key Performance Specifications:
• Pressure Adjustment Range: 20 PSI up to maximum fuel pump output threshold
• Boost Reference Ratio: 1:1 manifold vacuum/boost compensation line
• Sensor Integration: Features an integrated 1/8" NPT port for direct installation of a mechanical fuel pressure gauge or digital pressure sensor pick-up
• Patented Technology: Features interchangeable discharge ports to perfectly match the regulator's return orifice volume to the physical output capacity of your fuel pump
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