MALLORY 4305-M Fuel Pressure Regulator

( Brand: Mallory ), ( Performance Part: Yes ), ( Type: Fuel Pressure Regulator ), ( Manufacturer Part Number: 4305-M )

Review MALLORY Fuel Pressure Regulator 4305m In Good Working Condition See Photos

Introducing the Mallory 4305-M Fuel Pressure Regulator, a high-performance component designed to deliver precise fuel pressure for optimal engine operation. This regulator is a must-have for any serious automotive enthusiast or professional mechanic working on high-performance applications.

The Mallory 4305-M is a mechanical fuel pressure regulator that provides accurate and consistent fuel pressure, ensuring optimal engine performance and fuel efficiency. This regulator is engineered with a robust, all-metal construction that can withstand the rigors of high-performance applications. It features a precision-machined, adjustable diaphragm that allows for easy fuel pressure adjustment, ranging from 2 to 10 psi.

The Mallory 4305-M is designed to replace OEM fuel pressure regulators in a wide range of applications, including performance cars, hot rods, and custom builds. It is suitable for use with gasoline and diesel engines, making it a versatile solution for a variety of applications.

This fuel pressure regulator is easy to install and requires no special tools or modifications to the fuel system. It comes with a 3/8 NPT threaded inlet and outlet, making it compatible with most fuel lines and fittings. The regulator also features a clear, easy-to-read sight glass that allows for quick and accurate fuel pressure monitoring.

The Mallory 4305-M is a high-quality, reliable fuel pressure regulator that is built to last. It is backed by Mallory's commitment to excellence and comes with a one-year warranty against defects in materials and workmanship. Whether you're building a high-performance engine or simply looking to improve the fuel system in your daily driver, the Mallory 4305-M Fuel Pressure Regulator is an excellent choice.

The Mallory 4305-M Fuel Pressure Regulator (FPR) is a popular aftermarket option for maintaining proper fuel pressure in various types of engines. Here are some potential pros and cons of purchasing this product:

1. Adjustability: The Mallory 4305-M FPR is adjustable, allowing users to set fuel pressure to their specific engine requirements. This can lead to improved engine performance and better fuel efficiency.

2. Durability: Mallory is known for manufacturing high-quality automotive components, and the 4305-M FPR is no exception. It is built to withstand harsh operating conditions and last for a long time.

3. Easy Installation: Installing the Mallory 4305-M FPR is generally considered to be a straightforward process. It can be done in a relatively short amount of time, even for those with limited mechanical experience.

4. Affordability: Compared to some other fuel pressure regulators on the market, the Mallory 4305-M is quite affordable. This makes it an attractive option for those on a budget.

1. Potential for Leaks: Like any fuel pressure regulator, there is a risk of leaks with the Mallory 4305-M. Proper installation and regular maintenance can help minimize this risk, but it is still something to consider.

2. Requires Additional Tools: To install the Mallory 4305-M FPR, you will need some additional tools, such as a fuel pressure gauge and a torque wrench. These tools may not be included with the regulator, which could add to the overall cost.

3. Limited Compatibility: While the Mallory 4305-M FPR is compatible with a wide range of engines, it may not be the best option for every application. It is important to verify that this regulator is suitable for your specific engine before making a purchase.

In conclusion, the Mallory 4305-M Fuel Pressure Regulator offers several advantages, including adjustability, durability, easy installation, and affordability. However, it also comes with some potential drawbacks, such as the risk of leaks and the need for additional tools. Ultimately, the decision to purchase this product depends on your specific needs and preferences. If you are looking for a reliable and affordable fuel pressure regulator that can be easily adjusted to your engine requirements, the Mallory 4305-M is definitely worth considering.

part # 4305 prices

• $40.00-$359.99

specifications fuelperforma:

• brand: Mallory
• performance part: Yes
• type: Fuel Pressure Regulator
• manufacturer part number: 4305-M

payments fuelperforma:

• wallet: Apple-pay
• credit card: Discover
• other

offer fuelperforma:

• started: May 24, 2026
• sold: 0
• quantity: 1
• availability: In Stock
• options: Ship-to-home

seller fuelperforma:

• # reviews: 328
• rating: 97.9%

shipping fuelperforma:

• carrier: USPS
• transit: 4-8 Days
• class: Standard
• type: Calculated
• service: USPS Ground Advantage
• cost: $10.15

returns fuelperforma:

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

general fuelperforma:

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

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