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- Holley 12-841 4.5-9 PSI Adjustable Bypass Bil...
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Item #:
196858
Holley 12-841 4.5-9 PSI Adjustable Bypass Billet Fuel Pressure Regulator with 3/8" NTP Ports
87% of respondents would recommend this to a friend
Item #:
196858
NZD 378
Price Details
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Order now and get it around Tuesday, September 15
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Precision machined from 6061-T6 billet aluminum for strength and durability.
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What Stands Out
Adjustable Pressure
Easily set fuel pressure between 4.5 to 9 psi to suit various applications, ensuring optimal fuel delivery and engine performance.
Billet Aluminum Design
Constructed from durable billet aluminum, this regulator offers a robust, lightweight solution that enhances longevity and withstands intense conditions.
Universal Compatibility
With 3/8 NPT ports, it seamlessly fits various fuel systems, making installation simple and efficient for a wide range of vehicles.
Product Details
| Brand Name | Holley |
| Model Number | 12-841 |
| Number of Packs | 1 |
| Global Trade Identification Number | 00090127670460 |
| Unit Count | 1 Count |
| Manufacturer | Holley |
| Number of Items | 1 |
| UPC | 090127670460 |
| Included Components | Holley 12-841 4.5-9 PSI Adjustable Bypass Billet Fuel Pressure Regulator with 3/8"NTP Ports, Black |
| Item Type Name | Holley 12-841 4.5-9 PSI Adjustable Bypass Billet Fuel Pressure Regulator with 3/8"NTP Ports, Black |
| Manufacturer Part Number | 12-841 |
| Exterior Finish | Per Item Description |
| Outlet Connection Type | NPT |
| Maximum Pressure | 9 psi |
| Number of Ports | 2 |
| Thread Size | 3/8 inch (96.5 cm) |
| Thread Type | NPT |
| Valve Type | Fuel Pressure Regulator |
| Item Dimensions | 2.5 x 3.5 x 3.5 inches (6.4 x 8.9 x 8.9 cm) |
| Outlet Connection Size | 0.38 inches (1 cm) |
| Size | No Size |
| Material Type | Plastic |
| Material | Plastic |
| Brand | Holley |
| Item dimensions L x W x H | 2.5 x 3.5 x 3.5 inches (6.4 x 8.9 x 8.9 cm) |
| Maximum Operating Pressure | 9 psi |
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 Enthusiasts
Ideal for car owners seeking customizable fuel pressure for enhanced engine performance in modified vehicles.
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Custom Builds
Perfect for builders requiring a adjustable regulator to match specific engine setups in custom automotive applications.
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Fuel System Upgrades
Great for those upgrading their fuel systems, ensuring fuel pressure meets the demands of high-performance engines.
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Standard Vehicles
Not suitable for everyday cars that do not require specialized fuel management or high-performance upgrades.
Product Description
Holley 12-841 4.5-9 PSI Adjustable Bypass Billet Fuel Pressure Regulator with 3/8" NTP Ports
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the working range of the Holley 12-841 fuel pressure regulator?
Answer: The Holley 12-841 fuel pressure regulator operates within a pressure range of 4.5 to 9 PSI. This adjustable range is perfect for various applications, especially in performance vehicles that require precise fuel pressure to ensure optimal engine performance. By allowing adjustments, it caters to different fuel systems, whether for carburetors or fuel injection setups, making it versatile for car enthusiasts. -
Question:
What materials are used in the Holley 12-841 fuel pressure regulator?
Answer: The Holley 12-841 is constructed from high-quality billet aluminum, which offers excellent durability and resistance to corrosion. This material choice not only enhances its longevity but also provides a sleek appearance, especially when installed in engine bays. The robust design ensures it can withstand high-pressure fuel systems, making it suitable for both street and race applications. -
Question:
How can I adjust the fuel pressure on the Holley 12-841?
Answer: To adjust the fuel pressure on the Holley 12-841, locate the adjustment screw on the regulator. Turning the screw clockwise increases the fuel pressure, while turning it counterclockwise decreases it. It's essential to make these adjustments while monitoring the fuel pressure gauge connected to the system. This feature is particularly useful for tuning your vehicle for specific performance needs, ensuring the fuel delivery matches the engine's requirements. -
Question:
What is the size of the ports on the Holley 12-841 regulator?
Answer: The Holley 12-841 features 3/8 NTP ports for fuel inlet and outlet connections. This standard size allows it to easily fit with most fuel lines and systems without requiring additional adapters. Such compatibility makes installation straightforward for both DIY enthusiasts and professional mechanics, ensuring a secure and leak-free connection on various setups. -
Question:
Can the Holley 12-841 be used for high-performance applications?
Answer: Yes, the Holley 12-841 is specifically designed for high-performance applications. Its adjustable pressure range and durable construction make it ideal for racing engines or heavily modified street cars that demand precise fuel management. By using this regulator, you ensure that your engine receives the right amount of fuel, maximizing power output and ensuring reliability under demanding conditions. -
Question:
Is the Holley 12-841 regulator compatible with different fuel types?
Answer: The Holley 12-841 fuel pressure regulator is compatible with both gasoline and ethanol-based fuels. This flexibility allows it to be used in a variety of setups, whether you're running a traditional gasoline engine or a modified one that utilizes E85 or other blends. Choosing a fuel pressure regulator that can handle various fuels is crucial for performance tuning and adaptability in changing fuel conditions. -
Question:
What are the benefits of using a bypass fuel pressure regulator?
Answer: Using a bypass fuel pressure regulator like the Holley 12-841 provides several advantages, such as maintaining a consistent fuel pressure regardless of the fuel pump's output. This consistency is essential for engine performance as it prevents fuel starvation during high-demand situations. Bypass regulators also allow excess fuel to return to the tank, which can help manage heat and improve fuel system longevity. -
Question:
What is the installation process for the Holley 12-841?
Answer: Installing the Holley 12-841 involves securely mounting the regulator in an accessible location, connecting the fuel lines to the 3/8 NTP ports, and adjusting the fuel pressure as needed. Ensure you have the right tools and fittings to complete the installation without leaks. Proper installation is crucial for performance, as an incorrectly fitted regulator can lead to fuel delivery issues or engine problems. -
Question:
Can I use the Holley 12-841 in a classic car restoration?
Answer: Absolutely! The Holley 12-841 is suitable for classic car restorations, especially when upgrading to modern fuel systems. Its adjustable pressure feature allows you to tailor the fuel delivery to match the stock engine requirements or a retrofitted performance engine. Integrating this fuel pressure regulator enhances reliability and performance without compromising the classic aesthetic. -
Question:
Where can I buy the Holley 12-841 fuel pressure regulator in Cook Islands?
Answer: You can purchase the Holley 12-841 4.5-9 PSI Adjustable Bypass Billet Fuel Pressure Regulator from Ubuy in Cook Islands. Ubuy offers a variety of automotive parts and accessories, making it a reliable source for performance upgrades. With Ubuy, you can access product details and ensure a seamless purchasing experience, supporting your vehicle enhancement needs.
Holley Pressure Regulators 12-841 Editorial Review
The Holley 12-841 HP Billet Carbureted by Pass Fuel Pressure Regulator is a hit or miss product according to customer reviews. Some users report that the regulator is stuck at a certain fuel pressure and the adjustment screw does not work. Others mention that the regulator does not lower the pressure correctly. However, there are also positive reviews stating that the regulator provides great stable pressure and is easy to adjust. The regulator is designed for low pressure input, so be cautious if you have a high-pressure pump. Overall, it is a well-made product but may not work as expected in certain situations.
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NZD 378
Order now and get it around Tuesday, September 15
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
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Features & Benefits
- Precision machined from 6061-T6 billet aluminum
- Black bright dip anodized body
- Clear bright dip anodized top
- Adjustable from 4.5-9 psi for precise fuel pressure adjustments
- Used in systems with a return line back to tank
- One 3/8' NPT inlet, one 3/8' NPT outlet and one 3/8' NPT return
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