Retno Fuel Pressure Regulator – 1–4 PSI Inline, Chrome Plated
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The Retno Fuel Pressure Regulator is a compact, rebuildable low-pressure fuel pressure regulator designed for carbureted fuel systems requiring 1–4 PSI of regulated fuel pressure. Its inline, non-return design provides a simple and effective way to control fuel pressure while maintaining a clean and professional installation.
Constructed from aluminum with a chrome-plated finish, this regulator combines durability with a classic appearance that works well in performance, vintage, racing, hot rod, and custom applications.
The regulator features a single 3/8" NPT female-threaded inlet and two 3/8" NPT female-threaded outlets, allowing for flexible fuel system routing. A mounting bracket is included for secure installation.
The regulator is also rebuildable, making it a practical choice for long-term use and serviceability.
Features
- Adjustable fuel pressure range: 1–4 PSI
- Non-return regulator design
- Inline installation
- Single inlet with two outlets
- 3/8" NPT female-threaded inlet and outlet ports
- Aluminum construction
- Durable chrome-plated finish
- Rebuildable design
- Mounting bracket included
- Ideal for carbureted fuel systems
Specifications
- Regulator Type: Low-Pressure Fuel Pressure Regulator
- Pressure Range: 1–4 PSI
- Regulator Style: Non-Return
- Regulator Location: Inline
- Inlet Quantity: 1
- Inlet Size: 3/8" NPT
- Inlet Attachment: Female Threads
- Outlet Quantity: 2
- Outlet Size: 3/8" NPT
- Outlet Attachment: Female Threads
- Return Fitting Size: 3/8" NPT
- Material: Aluminum
- Finish: Chrome Plated
- Rebuildable: Yes
- Mounting Bracket: Included
- 1-7 lbs
- Part No. 16-99-0121
Applications
The Retno 1–4 PSI Fuel Pressure Regulator is an excellent choice for carbureted engines, vintage vehicles, hot rods, performance cars, race cars, and custom fuel systems where consistent low-pressure fuel delivery is required.
With its rebuildable construction, dual outlets, chrome finish, and included mounting bracket, this regulator offers a dependable and versatile solution for controlling fuel pressure in a wide range of low-pressure fuel system applications.







