52501-1 Line Fuel Pressure Regulator

( Brand: Aftermarket ), ( Manufacturer Part Number: 52501-1 ), ( Part Type: Fuel Pressure Regulator ), ( Style: In-line Regulator ), ( Placement: Universal Inline Application ), ( Adjustable Pressure Range: 25-90 Psi ), ( Type: Adjustable ), ( Color: Black ), ( Compatible Equipment Type: Universal ), ( Port And Fitting: 1 6an Inlet Port, 1 6an Return Port )

Review AFTERMARKET Universal In line Adjustable Fuel Pressure Regulator Psi Black fits 1990–2025

The 52501-1 In-Line Fuel Pressure Regulator, manufactured by Holley, is a crucial component in maintaining optimal fuel delivery for various applications, particularly within the automotive industry. This regulator is designed for fuel pressure ranging from 25 to 90 psi, making it a versatile solution for various engine configurations.

The regulator's compact, in-line design ensures a neat and efficient installation within the fuel system. It is constructed with high-quality materials, including brass and stainless steel components, which provide excellent durability and resistance to corrosion. The diaphragm inside the regulator is made of a robust, fuel-resistant material, ensuring consistent performance over time.

The 52501-1 In-Line Fuel Pressure Regulator features a fully adjustable spring system. By using the provided adjustment Allen wrench, the spring tension can be fine-tuned to achieve the desired fuel pressure. This level of customization is particularly valuable for engine builders and enthusiasts seeking to optimize their fuel delivery systems.

The regulator's threads are compatible with both -6AN and -8AN fuel line fittings, providing flexibility in fuel line sizing. The included 1/8 NPT threaded outlet can be used with an appropriate adapter to connect to various fuel system components.

Installing the 52501-1 In-Line Fuel Pressure Regulator is a straightforward process. The regulator comes with a mounting bracket, which can be bolted onto a flat surface using the provided hardware. The regulator can then be securely attached to the bracket using the adjustment Allen wrench and the locknut, allowing for easy access to the adjustment screw.

In conclusion, the 52501-1 In-Line Fuel Pressure Regulator by Holley is a reliable and versatile solution for maintaining optimal fuel pressure in various applications. Its compact design, adjustable spring system, and compatibility with various fuel line sizes make it a valuable addition to any fuel system. With its high-quality materials and robust construction, this regulator is built to last and deliver consistent performance.

The 52501-1 In-Line Fuel Pressure Regulator from Holley is a popular aftermarket option for maintaining optimal fuel pressure in various applications, particularly for classic cars and high-performance engines. Here are some potential pros and cons of purchasing this regulator:

1. Adjustable: This regulator allows users to adjust fuel pressure from 25 psi to 90 psi, providing flexibility for different engine setups.

2. Durable: The Holley 52501-1 is made from high-quality materials, ensuring longevity and reliability.

3. Easy Installation: Installation is relatively straightforward, making it an accessible option for DIYers.

4. Improved Engine Performance: Proper fuel pressure is crucial for optimal engine performance, and this regulator can help ensure consistent, accurate pressure.

1. Potential Leakage: Some users have reported issues with minor leakage from the regulator, which could lead to fuel loss and potential messes.

2. Limited Compatibility: While this regulator is suitable for a wide range of applications, it may not be compatible with all engines and fuel systems.

3. Price: Compared to some other fuel pressure regulators on the market, the Holley 52501-1 can be considered a more expensive option.

The Holley 52501-1 In-Line Fuel Pressure Regulator offers several advantages, including adjustability, durability, and ease of installation. However, it's important to consider potential drawbacks, such as potential leakage and limited compatibility. Ultimately, the decision to purchase the 52501-1 will depend on your specific engine setup, budget, and preference.

If you're looking for a high-quality, adjustable fuel pressure regulator for your classic car or high-performance engine and are willing to invest in a more expensive option, the Holley 52501-1 could be an excellent choice. However, be sure to double-check its compatibility with your engine setup and consider other options if leakage is a concern.

part # 525011 prices

• $123.99-$209.00

specifications fuelperforma:

• for years: 1990-2025
• brand: Aftermarket
• manufacturer part number: 52501-1
• part type: Fuel Pressure Regulator
• style: In-line Regulator
• placement: Universal Inline Application
• adjustable pressure range: 25-90 Psi
• type: Adjustable
• color: Black
• compatible equipment type: Universal
• port and fitting: 1 6an Inlet Port, 1 6an Return Port

offer fuelperforma:

• quantity: 5
• availability: In Stock
• started: April 23, 2025
• sold: 0
• options: Ship-to-home

seller fuelperforma:

• rating: 98.7%
• # reviews: 8483

returns fuelperforma:

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

shipping fuelperforma:

• transit: 2-5 Days
• class: Standard
• service: Standard
• type: Fixed
• cost: $0.00

general fuelperforma:

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

payments fuelperforma:

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

Aftermarket 52501-1 Is Similar To:

• Aftermarket Pr19 Fuel Pressure Regulator For Buick Pontiac Skyhawk 1984-1986 (51.2% similar) $14.41–$47.00. (February 7th, 2025)
• Nurniacl 1686804 Aftermarket Intake Manifold Hardware Billet Fuel Rail Kit For Ls Ls1 Ls2 Ls3 Ls6 (34.6% similar) $43.60. (June 17th, 2025)
• Tinvhy Bw562268th Billet Fuel Rail Kit For Ls1 Ls Ls2 Ls3 Ls6 Aftermarket Intake Manifold Hardware (23.7% similar) $45.85. (June 17th, 2025)
• Aftermarket Products 0928400820 Fuel Pump Regulator Metering Unit Valve 928 400 820 Control (44.7% similar) $29.61–$32.99. (August 25th, 2025)
• Aftermarket Ypr2 Fuel Pressure Regulator For Chrysler Dodge Plymouth 1984-1987 (49.4% similar) $19.20–$46.01. (September 6th, 2025)
• Aftermarket 52004 Cast Iron Fuel Filter Adapter 1 Inch Npt In/out 1-3/8 -12 Thread (36.5% similar) $24.95–$279.95. (September 23rd, 2025)
• Aftermarket 9410618461 Fuel Injection Pump 104134-3071 For Bosch Sba131017821r Zexel (31.4% similar) $399.00–$480.00. (September 26th, 2025)
• Aftermarket 16467-42502 Fuel Return Overflow Pipe For Kubota L Series Tractor L2500 L2600 L2800 L2900 (37% similar) $18.69–$61.65. (November 1st, 2025)
• Aftermarket 6655198 4 Cylinder Fuel Overflow Return Pipe For Bobcat Bl370 331 334 337 5600 (44.9% similar) $16.00–$35.99. (November 1st, 2025)
• Aftermarket 04226-0l010 04226-30010 Diesel Fuel Pump Regulator Scv For Toyota Hiace 2.5 D-4d (46.7% similar) $175.00–$212.85. (November 1st, 2025)
• Aftermarket Ca3381054 Fuel Injection Pump Timing Tool 338-1054 3381054 For Caterpillar Cat C6.6 Engine (28.4% similar) $139.99–$476.99. (November 7th, 2025)