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Item #:
38570998
Manual Adjustable Fuel Pressure Regulator Carburettor Carb Fuel Pump FPR
84% of respondents would recommend this to a friend
Item #:
38570998
GBP 26
Price Details
Price
GBP 26
Excluding Shipping, VAT & Custom charges ( Shipping, VAT and custom charges will be calculated on checkout.
If Item price + shipping is below GBP 135, 20% VAT will be calculated on checkout, if it is equal or above GBP 135, no VAT will be charged. )
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Imported from USA store
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Order now and get it around Monday, September 14
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Designed for single or twin carburetor installations, this fuel pump fitting has an adjustable range of 1 to 5 PSI via a numbered dial on top.
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What Stands Out
Manual Adjustment
Easily fine-tune fuel pressure settings for optimal engine performance, allowing users precise control over fuel delivery to enhance efficiency and power.
Durable Construction
Built with high-quality materials that resist corrosion and wear, ensuring longevity and reliability under various operating conditions.
Universal Compatibility
Designed to work with a wide range of carburettor systems, making it a versatile choice for automotive enthusiasts and professionals seeking to upgrade their fuel management.
Product Details
- Designed for single or twin carburetor installations
- Adjustable range of 1 to 5 psi via a numbered dial on top
- Chrome finish for a classic look
- Ideal for facet fuel pumps to control the fuel pressure to the carburetor
- Maximum input pressure of 7 psi should not be exceeded
| Brand Name | PTNHZ RACING |
| Model Number | US-7871 |
| Manufacturer | PTNHZ RACING |
| UPC | 778778951892 |
| Manufacturer Part Number | US-7871 |
| Compatible with Vehicle Type | Car |
| Exterior Finish | Chrome |
| Brand | PTNHZ RACING |
| Vehicle Service Type | Car |
| Item Weight | 1.5 lbs (680 grams) |
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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Car Enthusiasts
Ideal for car enthusiasts needing precise fuel pressure control for optimized engine performance and efficiency.
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Custom Builds
Perfect for custom car builds requiring adjustable fuel pressure to match specific engine modifications and setups.
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Racers
Beneficial for racers who need to fine-tune fuel delivery for competitive racing performance under various conditions.
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Daily Drivers
Not suitable for standard daily drivers that do not require manual adjustments or specific tuning of fuel pressure.
Product Description
Manual Adjustable Fuel Pressure Regulator Carburettor Carb Fuel Pump FPR
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is a Manual Adjustable Fuel Pressure Regulator?
Answer: A Manual Adjustable Fuel Pressure Regulator is a device that controls the fuel pressure supplied to the carburettor, allowing for fine-tuning of engine performance. It's essential for optimally managing fuel delivery based on engine demands, especially in performance applications. This adjustable feature helps to achieve the correct air-fuel ratio, promoting fuel efficiency and maximizing power output. -
Question:
How do I install a Manual Adjustable Fuel Pressure Regulator?
Answer: Installation of a Manual Adjustable Fuel Pressure Regulator involves connecting it between your fuel line and the carburettor. Ensure to follow the manufacturer's specifications for the best results. Begin by turning off the fuel supply and releasing any pressure, then disconnect the fuel line, attach the regulator with proper fittings, and reconnect the fuel line. This ensures efficient fuel flow and pressure adjustment due to the regulator's design. -
Question:
What are the benefits of using an adjustable fuel pressure regulator?
Answer: Using an adjustable fuel pressure regulator allows for enhanced fuel management, improving throttle response and engine performance. It enables users to fine-tune fuel pressure according to specific modifications or driving conditions, leading to better efficiency and increased horsepower. For instance, car enthusiasts who upgrade their engines often benefit from adjustable regulators to meet enhanced fuel demands. -
Question:
What is the suitable fuel pressure range for this regulator?
Answer: The suitable fuel pressure range for the Manual Adjustable Fuel Pressure Regulator typically varies between 2 to 7 psi, depending on the engine type and carburettor specifications. It's crucial to adjust the pressure within this range to ensure optimal performance, as improper settings can lead to engine stalling, poor acceleration, or excessive fuel consumption. Always refer to your carburettor's requirements for the best results. -
Question:
Can I use this fuel pressure regulator with any carburettor?
Answer: While the Manual Adjustable Fuel Pressure Regulator is versatile, it’s essential to ensure compatibility with your specific carburettor model. Most commonly, it works well with Holley and Edelbrock carburettors. Checking your carburettor specifications guarantees that you adjust the fuel pressure correctly, ensuring the optimal air-fuel ratio and overall engine efficiency. -
Question:
What tools do I need to adjust the fuel pressure?
Answer: To adjust the fuel pressure, you typically need a fuel pressure gauge to measure the current pressure settings, a wrench to make the necessary adjustments, and possibly a pair of pliers. These tools allow for accurate tuning of the regulator, helping you achieve the desired fuel pressure for your engine's performance requirements. -
Question:
How does temperature affect fuel pressure adjustment?
Answer: Temperature can significantly influence fuel pressure; warmer temperatures can lead to lower fuel density, potentially resulting in lower pressure. Therefore, during tuning, it's recommended to consider the average operating temperatures of your environment. This adjustment ensures that fuel delivery remains consistent and optimal across varying conditions. -
Question:
Is it necessary to have a fuel pressure gauge with the regulator?
Answer: While not mandatory, having a fuel pressure gauge is highly recommended for precise adjustments. A gauge provides real-time feedback on pressure levels, enabling you to make accurate modifications. This not only enhances engine performance but also prevents issues such as fuel starvation or flooding, which can be detrimental to engine health. -
Question:
What maintenance does a fuel pressure regulator require?
Answer: Regular maintenance for a fuel pressure regulator includes checking for leaks, ensuring the adjustment mechanism is functioning properly, and cleaning the inlet and outlet ports. Conducting periodic inspections allows you to catch any potential issues early on, maintaining optimal fuel pressure and overall engine performance. -
Question:
Where can I buy Manual Adjustable Fuel Pressure Regulator Carburettor Carb Fuel Pump FPR?
Answer: You can purchase the Manual Adjustable Fuel Pressure Regulator Carburettor Carb Fuel Pump FPR on Ubuy in UK. Ubuy offers a comprehensive selection of automotive parts, ensuring you find the regulator suited for your specific needs, along with detailed product specifications and customer reviews to assist in your buying decision.
PTNHZ RACING Pressure Regulators US-7871 Editorial Review
The PTNHZ RACING Manual Adjustable Fuel Pressure Regulator Carburettor Carb Fuel Pump FPR is an option for those looking to reduce gas pressure to the carburetor needle valve, for example, 7 psi to 3 - 5 psi. The product is ethanol-compatible and can be set to approximately 2.5 psi, provided that the input isn't above 7 psi. It is advised to put a pressure gauge on the output to monitor the pressure while setting. However, the product has received mixed reviews. Some customers found it easy to install and regulate fuel pressure, while others reported issues such as metal burs inside the 1/8" NPT threaded ports, inappropriate adjustment markings, and difficulties in regulating pressure. Also, there were reports of the regulator shaking apart after around 50 hours of use. Lack of 1/4" hose barbs is another issue. Although the product comes at an attractive price point, it seems that some quality issues raised concerns among disappointed customers.
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Pros
- Ethanol-compatible
- Can regulate the pressure at a lower cost
Cons
- Metal burs inside the ports
Platform Trust & Buyer Confidence
JG
Jazz
Verified buyer
“Easy to use and always helpful and sorts any issues I've had past and present”
1 September 2026 · via Trustpilot
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“Fast, convenient and cheap. Great store!”
27 August 2026 · via Trustpilot
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GBP 26
Excluding VAT : VAT will be calculated on the checkout page
Order now and get it around Monday, September 14
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.)
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Features & Benefits
- Made of precision machined 6061T6 billet aluminum
- Includes two steel clips and 8mm fittings for 8mm bore push-on fuel hose
- Ideal for Facet fuel pumps to control fuel pressure to the carburetor
- Has a chrome finish for the classic look
- A maximum input pressure of 7 PSI should not be exceeded
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