OFFENHAUSER 12-804 Fuel Pressure Regulator Adjust. 1/6

( Brand: Offenhauser ), ( Manufacturer Part Number: 12-804 ), ( California Prop 65 Warning: True ), ( Type: Fuel Pressure Regulators )

Review OFFENHAUSER Chrome Universal Adjust. Fuel Pressure Regulator 1-6 Psi

The Offenhauser 12-804 Fuel Pressure Regulator is a crucial component in ensuring optimal performance for your engine, particularly in high-performance applications. This regulator is designed for use with fuels such as gasoline and methanol, making it an ideal choice for race cars, hot rods, and other high-performance vehicles.

The Offenhauser 12-804 Fuel Pressure Regulator features a robust, all-metal construction with a brass body and stainless steel diaphragm. The regulator's design allows for accurate fuel pressure adjustment, maintaining a consistent fuel pressure within the engine. This precise fuel pressure regulation ensures efficient fuel delivery to the engine, which in turn leads to improved engine performance and prolonged engine life.

The Offenhauser 12-804 Fuel Pressure Regulator is suitable for use with a wide range of fuel pressures, from 1 to 6 psi. The regulator's adjustment range is easily accessible through an external adjustment screw, making it simple to fine-tune the fuel pressure to meet the specific requirements of your engine.

The Offenhauser 12-804 Fuel Pressure Regulator is also designed to be easily installable. It comes with a 3/8 NPT inlet and outlet, making it compatible with most fuel systems. The regulator also features a convenient mounting bracket that allows for secure installation on various surfaces.

In summary, the Offenhauser 12-804 Fuel Pressure Regulator is a high-quality, durable component that is essential for maintaining optimal engine performance in high-performance applications. Its robust construction, adjustable fuel pressure range, and easy installation make it an excellent choice for race cars, hot rods, and other high-performance vehicles.

Offenhauser 12-804 Fuel Pressure Regulator (1-6): A Comprehensive Analysis

The Offenhauser 12-804 Fuel Pressure Regulator (1-6) is a popular choice among automotive enthusiasts and racers due to its reputation for delivering consistent and reliable fuel pressure. This regulator is specifically designed for use in engines that require a higher fuel pressure than stock configurations. In this analysis, we will discuss the pros and cons of buying this fuel pressure regulator to help you make an informed decision.

1. Precision Control: The Offenhauser 12-804 Fuel Pressure Regulator offers precise fuel pressure control, ensuring that your engine receives the optimal amount of fuel for maximum performance and efficiency.

2. Durability: This regulator is built to last, with high-quality materials and construction that can withstand the demands of high-performance applications.

3. Adjustability: The Offenhauser 12-804 Fuel Pressure Regulator is adjustable, allowing you to fine-tune the fuel pressure to suit your specific engine and driving conditions.

4. Easy Installation: Installation of this regulator is generally straightforward, making it a popular choice for do-it-yourselfers and professional installers alike.

5. Wide Compatibility: The Offenhauser 12-804 Fuel Pressure Regulator is compatible with a wide range of applications, making it a versatile choice for many different types of engines.

1. Cost: The Offenhauser 12-804 Fuel Pressure Regulator is more expensive than some other options on the market, which may be a deterrent for some buyers.

2. Complexity: While the installation process is generally straightforward, setting the fuel pressure to the optimal level can be a complex process that requires a good understanding of fuel system dynamics and engine performance.

3. Requires Fuel Pressure Gauge: To accurately set the fuel pressure, a fuel pressure gauge is required, which may add to the overall cost of the project.

4. Potential for Over- or Under-Fueling: If not set properly, the Offenhauser 12-804 Fuel Pressure Regulator can result in either over- or under-fueling, which can negatively impact engine performance and durability.

The Offenhauser 12-804 Fuel Pressure Regulator (1-6) offers a number of advantages for those seeking to maximize the performance of their high-performance engines. Its precision control, durability, adjustability, and ease of installation make it a popular choice among automotive enthusiasts and racers. However, its higher cost and the complexity of setting the fuel pressure optimally are potential drawbacks.

If you are looking for a high-quality, reliable fuel pressure regulator that can deliver consistent fuel pressure for maximum engine performance, the Offenhauser 12-804 Fuel Pressure Regulator (1-6) is an excellent choice. However, be prepared for the potential added cost of a fuel pressure gauge and the complexity of setting the fuel pressure to the optimal level. With proper preparation and understanding of fuel system dynamics and engine performance, the benefits of this regulator are well worth the investment.

part # 12804 prices

• $35.99-$59.99

specifications fuelperforma:

• brand: Offenhauser
• manufacturer part number: 12-804
• california prop 65 warning: True
• type: Fuel Pressure Regulators

returns fuelperforma:

• paid by: Seller
• policy: Returns Accepted
• time: 30 Days

offer fuelperforma:

• started: October 25, 2025
• sold: 0
• options: Ship-to-home
• availability: In Stock

shipping fuelperforma:

• class: Economy, Expedited
• transit: 5-5 Days
• service: Economy, Expedited
• cost: $13.99
• type: Fixed

seller fuelperforma:

• # reviews: 334476
• rating: 99.4%

payments fuelperforma:

• wallet: Apple-pay
• credit card: Diners-club
• other

general fuelperforma:

• condition: New
• Auto Permance Parts > Fuel Systems > Fuel Pressure Regulators

Offenhauser 12-804 Is Similar To:

• Offenhauser 560-58500 Adjustable Fuel Regulator 1-6 Lbs Part No. New (57.3% similar) $35.99–$450.00. (January 24th, 2026)