Fuel Pressure Regulators

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Fuel Pressure Regulators for EFI Systems, LS Swaps & Carbureted Builds

Control your fuel system with precision using high-performance fuel pressure regulators from Hot Rod AN LLC. Whether you're completing an LS engine swap, building an EFI conversion, or tuning a carbureted setup, a fuel pressure regulator is essential to ensure reliable and consistent fuel delivery.

Our fuel pressure regulators are engineered to maintain the correct fuel pressure for your application—whether it’s 58 PSI for LS-based EFI systems or 6 PSI for a traditional carb. Maintaining proper fuel pressure not only protects your fuel injectors and carburetor, but also ensures consistent performance under load, boost, and heat.

Choose the Right Fuel Pressure Regulator for Your Build

  • ✅ LS Swap Fuel Pressure Regulators – Including Corvette-style filter/regulator combos with AN fittings
  • ✅ EFI Regulators – Adjustable or fixed pressure units for return-style and return-less systems
  • ✅ Carbureted Fuel Pressure Regulators – Low-pressure adjustable regulators for mechanical or electric fuel pumps

Why You Need a Fuel Pressure Regulator

  • ⚙️ Ensures correct PSI for fuel injectors or carburetor operation
  • ⚙️ Prevents over-pressurizing and flooding
  • ⚙️ Protects pump and engine longevity
  • ⚙️ Helps tune for optimal performance and fuel economy

Compatible With All Hot Rod AN LLC Plumbing Systems

All regulators are compatible with our AN PTFE fittings and PTFE braided hose and may be paired with our gauge port adapter fittings to easily install a fuel pressure gauge.

Recommended Accessories

Upgrade your fuel system the right way—shop fuel pressure regulators now and keep your engine running smoothly with Hot Rod AN LLC.