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- AEM 25-300BK Black High Volume Adjustable Fue...
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Item #:
1027479
AEM 25-300BK Black High Volume Adjustable Fuel Pressure Regulator
Item #:
1027479
€ 173
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Imported from USA store
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Order now and get it around Friday, August 14
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AEM's Adjustable Fuel Pressure Regulators can support enough fuel flow for engines up to 1000 horsepower
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What Stands Out
High Volume Flow
Designed for exceptional fuel flow rates, ensuring optimal performance in high-demand engines and preventing pressure drops that can affect engine efficiency.
Adjustable Pressure
Easily adjustable to cater to various fuel systems, providing the flexibility needed for both street and racing applications, allowing users to fine-tune their setup.
Durable Construction
Built with high-quality materials for longevity and reliability, this regulator withstands harsh conditions, making it a trustworthy choice for automotive enthusiasts.
Product Details
| Fit Type | Vehicle Specific Fit |
| Compatible with Vehicle Type | Car |
| Part Interchange Info | 25-300BK |
| Auto Part Position | Inside |
| Outlet Connection Type | Threaded-AN |
| Inlet Connection Type | Threaded-AN |
| Gas Type | Gasoline |
| Mounting Type | Rail Mount |
| Operation Mode | Mechanical |
| Product Grade | New |
| Automotive Fit Type | Vehicle Specific Fit |
| OEM Equivalent Part Number | 25-300BK |
| Connector Type | Threaded (likely NPT or BSPP) |
| Material Type | Plastic |
| Body Material | Aluminum |
| Specification Met | OE |
| Product Style | Gerotor |
| Item Weight | 0.25 Kilograms |
| Outlet Connection Size | 0.25 Inches (0.6 cm) |
| Inlet Connection Size | 0.38 Inches (1 cm) |
| Brand Name | AEM |
| Manufacturer Part Number | 25-300BK |
| Global Trade Identification Number | 00840879019860 |
| Manufacturer | AEM |
| UPC | 840879019860 |
| Model Number | 25-300BK |
| Item Type Name | AEM 25-300BK Black High Volume Adjustable Fuel Pressure Regulator |
| Included Components | AEM 25-300BK Black High Volume Adjustable Fuel Pressure Regulator |
| Unit Count | 1.0 Count |
| Brand | AEM |
| Vehicle Service Type | Car |
| Material | Plastic |
Dangerous Goods
To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.
Who Should Buy?
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Performance Tuners
Ideal for tuners looking to optimize fuel pressure in high-performance applications for improved engine efficiency and power.
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Racers
Perfect for racing enthusiasts requiring precise fuel pressure adjustments to enhance performance during competitions.
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Custom Builds
Great choice for DIY enthusiasts building custom fuel systems needing a reliable and adjustable regulator.
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Daily Drivers
Not suitable for regular vehicles that don't require high fuel pressure adjustments for optimal performance.
Product Description
AEM 25-300BK Black High Volume Adjustable Fuel Pressure Regulator
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the purpose of the AEM 25-300BK Black High Volume Adjustable Fuel Pressure Regulator?
Answer: The AEM 25-300BK is designed to regulate fuel pressure in high-performance vehicles. By maintaining optimal fuel pressure, it ensures an efficient fuel-air mixture, enhancing performance and engine response. This regulator is particularly beneficial for modified vehicles with high-flow fuel systems, preventing fuel starvation during acceleration. If you're tuning your vehicle for high horsepower applications, the AEM regulator can help achieve stable fuel delivery at various engine loads. -
Question:
How does the adjustment mechanism work on the AEM 25-300BK?
Answer: The AEM 25-300BK features an adjustable design that allows you to set the desired fuel pressure easily. It typically includes an adjustable spring-loaded diaphragm mechanism, allowing you to fine-tune fuel pressure according to your engine's requirements. This is especially useful when you want to optimize performance for different driving conditions or modifications. For example, if you've upgraded to larger injectors, adjusting the pressure can help maximize fuel efficiency and power output. -
Question:
Is the AEM 25-300BK compatible with all fuel types?
Answer: Yes, the AEM 25-300BK Black High Volume Adjustable Fuel Pressure Regulator is compatible with various fuel types including gasoline, ethanol blends, and other aftermarket fuels. Its construction with high-quality materials ensures resistance to corrosion and chemical degradation. This versatility makes it suitable for a wide range of vehicles, whether you are running a standard gasoline setup or a high-performance engine tuned for alternative fuels, maintaining reliable pressure across all applications. -
Question:
What are the key features of the AEM 25-300BK?
Answer: The AEM 25-300BK is known for its high-volume performance capabilities, adjustable pressure settings, and robust construction. Key features include a large fuel inlet and outlet for increased flow, an anodized finish for durability, and compatibility with various fuel systems. An adjustable pressure range allows for precise tuning, making it perfect for racers or enthusiasts looking to maximize their vehicle's performance. This regulator is ideal for those who demand reliability and consistency under high load conditions. -
Question:
Can I install the AEM 25-300BK myself?
Answer: Yes, many users find that they can install the AEM 25-300BK on their own, provided they have some basic mechanical skills. The installation typically involves disconnecting your vehicle's fuel lines, mounting the regulator, and adjusting the pressure as needed. It's important to follow the manufacturer's instructions closely, ensuring proper sealing and integration with your fuel system. If you're comfortable with automotive work, this is a rewarding upgrade that can enhance your vehicle's performance without needing professional assistance. -
Question:
What is the flow rate of the AEM 25-300BK?
Answer: The AEM 25-300BK boasts a high-flow capability, supporting fuel flows up to 300 liters per hour. This high flow rate is crucial for performance engines which require substantial fuel delivery to meet power demands. If you're tuning a drag racing vehicle or a street car with significant modifications, this regulator can ensure that your engine receives sufficient fuel under heavy acceleration. It effectively prevents fuel starvation, allowing your vehicle to perform optimally even at peak levels of demand. -
Question:
What are some signs that my fuel pressure regulator needs replacing?
Answer: Signs of a failing fuel pressure regulator can include poor engine performance, hard starting, and fuel leaks. If you notice a drop in power or increase in fuel consumption, it could indicate that the regulator is not maintaining proper pressure. Another symptom might be irregular or fluctuating fuel pressure readings. If you experience these issues especially after modifications to your fuel system, it may be time to consider upgrading to a performance regulator like the AEM 25-300BK to restore effective fuel delivery. -
Question:
How do I adjust the fuel pressure with the AEM 25-300BK?
Answer: Adjusting the fuel pressure on the AEM 25-300BK is straightforward, requiring just a few basic steps. First, ensure your vehicle is off and safe to work on. Then, locate the adjustment screw, usually on top of the regulator. Turning it clockwise generally increases the pressure, while counterclockwise decreases it. It's advisable to use a fuel pressure gauge during this process to achieve your desired settings accurately. This flexibility allows for fine-tuning based on performance mods or specific driving conditions. -
Question:
Where can I buy the AEM 25-300BK Black High Volume Adjustable Fuel Pressure Regulator?
Answer: You can buy the AEM 25-300BK Black High Volume Adjustable Fuel Pressure Regulator from Ubuy in Aland Islands. Ubuy offers a reliable platform to purchase various automotive parts and performance upgrades, ensuring that you have access to quality products for your vehicle enhancement needs. By shopping on Ubuy, you can conveniently find the AEM regulator along with other related accessories to support your automotive projects. -
Question:
What should I consider before purchasing the AEM 25-300BK?
Answer: Before purchasing the AEM 25-300BK, consider the specific needs of your vehicle's fuel system and its power requirements. Verify that your current setup is compatible with high-flow regulators, especially if you've made modifications. Additionally, evaluate whether you need the adjustable feature based on your performance goals. If you're planning to upgrade or modify your engine further, opting for the AEM regulator can provide the necessary capability to support future enhancements, ensuring sustained performance.
AEM Pressure Regulators 25-300BK Editorial Review
The AEM 25-300BK Black High Volume Adjustable Fuel Pressure Regulator is a great product for those looking to adjust their fuel pressure. It has a good build quality and is easy to install. However, some customers have reported issues such as torn diaphragms and leaking gas line fittings. Additionally, it may not be compatible with certain stock fuel rails. Overall, while it is a reliable product, it is important to check compatibility and be aware of potential issues.
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Pros
- Good build quality
- Easy to install
Cons
- Potential issues with torn diaphragms
Platform Trust & Buyer Confidence
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Mohammad
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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
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23 July 2026 · via Trustpilot
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€ 173
Order now and get it around Friday, August 14
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Features & Benefits
- Patented interchangeable discharge ports
- Compatible to any fuel pump output
- Includes custom barb fitting for factory fuel hose
- Base is tapped to fit -6 AN or 9/16 inch x 18 fittings
- Ideal for 94-01 Acura Integra RS, LS, GS and GSR
- Supports engines up to 1000 horsepower
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