HOLLEY 512-503-1 Fuel Pressure Regulator 35-65

( Brand: Holley ), ( Part Type: Fuel Pressure Regulator ), ( Manufacturer Part Number: 512-503-1 ), ( Material: Aluminum ), ( Country/region Of Manufacture: United States )

Review HOLLEY Fuel Pressure Regulator Adjustable 35-65 Psi

The Holley 512-503-1 Fuel Pressure Regulator is a crucial component in maintaining an optimal fuel system for your vehicle. This regulator, designed for applications requiring a fuel pressure between 35 and 65 psi, is a must-have for any enthusiast looking to optimize their engine's performance.

The Holley fuel pressure regulator is meticulously engineered for durability and reliability. It features a robust brass body with an anodized finish, ensuring resistance to corrosion and wear. The internal components are made from high-quality materials, including a billet aluminum adjusting nut and a heavy-duty diaphragm, ensuring consistent fuel pressure delivery.

This regulator employs a unique, adjustable design that allows for easy fine-tuning of fuel pressure. The adjusting nut is accessible through a convenient access port, eliminating the need for extensive disassembly of the fuel system for pressure adjustments. The regulator also includes an integrated bleeder screw, simplifying the fuel system bleeding process.

The Holley 512-503-1 Fuel Pressure Regulator is compatible with a wide range of fuel systems, including both EFI (Electronic Fuel Injection) and carbureted applications. Its universal design and adjustable pressure range make it a versatile addition to any automotive project.

This fuel pressure regulator is designed to deliver consistent, accurate fuel pressure to your engine, ensuring optimal engine performance and fuel efficiency. With its durable construction, adjustable design, and ease of use, the Holley 512-503-1 Fuel Pressure Regulator is an essential tool for any automotive enthusiast looking to maximize the potential of their vehicle's fuel system.

The Holley 512-503-1 Fuel Pressure Regulator (35-65 psi) is a popular choice among automotive enthusiasts for its ability to provide precise fuel pressure for carbureted applications. Here are some pros and cons to help you make an informed decision about purchasing this regulator.

1. Adjustable: The Holley 512-503-1 Fuel Pressure Regulator is adjustable, allowing users to set the fuel pressure within a specific range. This feature can be beneficial for fine-tuning the fuel system for optimal engine performance.

2. Durable: Made from high-quality materials, this regulator is designed to withstand the rigors of high-performance applications. It also features a brass body and stainless steel components, which provide excellent corrosion resistance.

3. Easy Installation: The installment process of this regulator is relatively straightforward. It comes with clear instructions and all the necessary hardware, making it a great option for DIYers.

4. Wide Application: This fuel pressure regulator is suitable for a wide range of applications, from street rods to high-performance racing engines.

1. Expensive: Compared to some other fuel pressure regulators on the market, the Holley 512-503-1 Fuel Pressure Regulator is relatively expensive.

2. Not Suitable for EFI Systems: This regulator is designed for carbureted applications only. It is not compatible with Electronic Fuel Injection (EFI) systems.

3. Requires Accurate Setting: To achieve optimal engine performance, this regulator requires an accurate fuel pressure setting. Failure to set the pressure correctly could result in poor engine performance or even damage to the engine.

In conclusion, the Holley 512-503-1 Fuel Pressure Regulator (35-65 psi) is a high-quality, adjustable regulator that is suitable for a wide range of carbureted applications. Its durability, ease of installation, and precise fuel pressure control make it a great option for those looking to optimize their engine's performance. However, its high cost and limited compatibility with EFI systems are potential drawbacks. Ultimately, if you are looking for a reliable and precise fuel pressure regulator for your carbureted engine, the Holley 512-503-1 Fuel Pressure Regulator is an excellent choice.

part # 5125031 price

• $60.00

specifications carbcaddie:

• brand: Holley
• part type: Fuel Pressure Regulator
• manufacturer part number: 512-503-1
• material: Aluminum
• country/region of manufacture: United States

general carbcaddie:

• condition: New other see details
• Car Truck Parts Accessories > Air Fuel Delivery > Carburetor Parts

offer carbcaddie:

• availability: In Stock
• options: Ship-to-home
• best offers: True
• quantity: 1
• sold: 0
• started: April 29, 2025

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seller carbcaddie:

• rating: 100.0%
• # reviews: 171

returns carbcaddie:

• policy: No Returns

shipping carbcaddie:

• type: Calculated
• transit: 3-9 Days
• class: Standard
• carrier: USPS
• service: USPS Ground Advantage
• cost: $4.62

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