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POWERWORKS PV4 Brake Proportioning Valve Disc/Disc Brake System Combination Valve
XAF 34963
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This proportioning valve helps you solve the rear lock up problem, distributing pressure to prevent rear lockup effectively.
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What Stands Out
Product Details
- This PV-4 proportioning valve works on almost any classic truck, or muscle car, and nearly all vehicles that have disc brakes in the front and disc brakes in the rear
- This proportional valve help you solve the rear lock up problem. This proportional valve / combination valve helps to distribute the pressure sent to the front and rear brakes proportionally, effectively preventing rear lockup
- Has standard 9/16"-18 and 1/2"-20 fittings
- The connections from the Master Cylinder are 1/2"-20 and 7/16"-24. This proportioning valve made of high-quality brass to ensure the durability, corrosion resistance and high-quality thermal conductivity of the product
- Package include:1 Pcs Brass PV4 Brake Proportioning Valve Disc/Disc
| Exterior Finish | Brass |
| Inlet Connection Type | Threaded |
| Outlet Connection Type | NPT |
| Number of Ports | 3 |
| Smart Home Compatibility | Not Smart Home Compatible |
| Thread Type | NPT |
| Connector Type | Threaded |
| Thread Size | 9/16 inches (2326.6 cm) |
| Valve Type | Proportional Valve |
| Inlet Connection Size | 0.38 Inches (1 cm) |
| Outlet Connection Size | 9/16 Inches (2326.6 cm) |
| Size | PV4 |
| Brand Name | POWERWORKS |
| Model Number | 749346322123 |
| Manufacturer | Powerworks |
| UPC | 749346322123 |
| Number of Pieces | 1 |
| Unit Count | 1 Count |
| Material Type | Brass |
| Material | Brass |
| Brand | POWERWORKS |
| Number of Packs | 1 |
| Item Weight | 1.5 lbs (680 grams) |
Who Should Buy?
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Performance Enthusiasts
Ideal for those seeking enhanced brake responsiveness in high-performance vehicles with disc/disc configurations.
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Vehicle Modifiers
Suitable for users who are upgrading or modifying their brake systems for improved balance and safety.
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Professional Mechanics
Great for mechanics working on custom builds that require precise brake force adjustments and reliable performance.
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Budget-Conscious Buyers
Not ideal for those looking for a low-cost solution without high-performance brake requirements.
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Casual Drivers
Unsuitable for average drivers who do not need advanced braking enhancements in everyday vehicles.
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Simple Installations
Not recommended for users seeking easy, plug-and-play installations without complex adjustments or configurations.
Product Description
Customer Questions & Answers
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Question:
What is a PV4 Brake Proportioning Valve?
Answer: The PV4 Brake Proportioning Valve is a critical component designed to balance braking pressure between the front and rear disc brake systems in your vehicle. This valve effectively ensures that the rear brakes engage at a suitable pressure relative to the front brakes, enhancing stability during braking. By doing so, it minimizes the chances of skidding and improves overall safety. Scenarios such as heavy braking on slippery surfaces highlight the importance of a proportioning valve, making this component invaluable for optimal brake performance. -
Question:
How does a brake proportioning valve work?
Answer: A brake proportioning valve works by regulating the hydraulic pressure that is sent to the rear brakes. During braking, as pressure builds in the brake lines, the valve senses the pressure differential and adjusts the flow to the rear brakes accordingly. This mechanism prevents the rear wheels from locking up before the front wheels, which helps maintain traction and control. In practical terms, this is particularly beneficial in high-performance or heavy-load scenarios where braking stability is vital. -
Question:
What are the benefits of using the PV4 Brake Proportioning Valve?
Answer: Using the PV4 Brake Proportioning Valve enhances vehicle braking efficiency by ensuring a balanced distribution of brake force. This not only improves stopping distances but also boosts safety by reducing the risk of rear wheel lockup. The effective modulation of pressure leads to improved handling, especially in emergency situations. If you often find yourself driving in variable weather conditions or engaging in spirited driving, this valve is a crucial addition to your brake system for better control. -
Question:
Can I install the PV4 Brake Proportioning Valve myself?
Answer: Yes, the PV4 Brake Proportioning Valve can typically be installed with moderate mechanical skills and basic tools. The installation involves replacing the existing valve, along with making appropriate plumbing adjustments to ensure proper brake line connections. Detailed instructions or service manuals specific to your vehicle model will assist in the process. Individuals who enjoy DIY automotive projects will find this task rewarding, as it directly affects the vehicle's performance and safety. -
Question:
How do I know if my brake proportioning valve is faulty?
Answer: Signs of a faulty brake proportioning valve include uneven brake wear, pulling to one side during braking, and a spongy brake pedal. If you notice any of these symptoms, it might indicate that the valve is not distributing pressure correctly. In scenarios where you observe inconsistent braking performance, inspection of the proportioning valve should be part of your troubleshooting process. Regular checks can prevent further brake system damage and enhance overall reliability. -
Question:
Is the PV4 Brake Proportioning Valve compatible with all vehicles?
Answer: The PV4 Brake Proportioning Valve is primarily compatible with vehicles utilizing disc brake systems. However, compatibility can vary based on make and model. It’s essential to consult your vehicle’s specifications or a professional mechanic to ensure proper fitment. This valve is especially beneficial for modified vehicles or those used in motorsport where precise brake balance is crucial for performance and safety. -
Question:
What materials are used in the PV4 Brake Proportioning Valve construction?
Answer: The PV4 Brake Proportioning Valve is typically constructed from durable materials like brass and high-quality aluminum, which ensure longevity and resistance to corrosion. These materials can withstand the high pressure and temperature variations experienced in brake systems. Using a valve made from these reliable materials ensures consistent performance and minimizes the risk of failure during critical braking situations. -
Question:
Does the PV4 Brake Proportioning Valve require regular maintenance?
Answer: While the PV4 Brake Proportioning Valve is designed to operate efficiently with minimal maintenance, regular inspections of the brake system can help identify potential issues. Look for leaks or signs of wear around the valve, and ensure that the hydraulic connections are secure. In high-performance applications, taking a closer look at this valve during routine brake inspections can enhance longevity and reliability. -
Question:
Can I use the PV4 Brake Proportioning Valve in a custom brake setup?
Answer: Yes, the PV4 Brake Proportioning Valve is often used in custom brake setups to achieve optimal balance and performance. Whether you're modifying a classic car or building a race vehicle, integrating a proportioning valve allows for precise control over brake pressure distribution. This customization can significantly enhance driving dynamics, particularly in vehicles designed for racing or spirited driving. -
Question:
Where can I buy PV4 Brake Proportioning Valve in Equatorial Guinea?
Answer: You can purchase the PV4 Brake Proportioning Valve from Ubuy, which provides a wide selection of automotive parts including this crucial component. Ubuy is known for its reliable sourcing and excellent customer service, making it a great choice for acquiring essential vehicle parts in Equatorial Guinea. Easy online ordering and a user-friendly interface enhance your shopping experience.
POWERWORKS Proportioning Valves 749346322123 Editorial Review
In the realm of automotive upgrades, particularly for classic vehicles, the proportioning valve has emerged as a pivotal component for ensuring optimal brake performance. Based on customer feedback, this product has garnered a positive reception from users working on various classic Chevrolet models, including the C10 series and a 1964 Chevrolet truck. Many customers reported successful installations and significant improvements in brake performance following the upgrade to this valve. Specifically, users appreciated how effectively it resolved issues such as leaks in existing systems, especially for those with conversions to all-wheel disc brakes. Customers noted that the installation process was straightforward, particularly in frame-up restorations, making it accessible for DIYers and enthusiasts alike. Furthermore, the proportioning valve appears to outperform competing brands, with several users citing it as superior to established names in the market. However, it's worth noting that buyers were advised to purchase an additional bleeder screw, as this is not included with the valve. In summary, this proportioning valve has proven to be a reliable solution for various brake system upgrades in classic vehicles, eliciting favorable reviews for its effectiveness, ease of installation, and overall performance enhancements. **
Customer Reviews & Ratings
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5 Star
79%
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4 Star
13%
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3 Star
2%
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2 Star
2%
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1 Star
4%
Review this product
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Pros
- Effective improvement in brake performance
- Resolves leaks in existing brake systems
- Easy to install, particularly for frame-up restorations
- Performs better than competing brands
Cons
- Additional components, like the bleeder screw, must be purchased separately.
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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XAF 34963
Order now and get it around Thursday, June 25
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Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Features & Benefits
- Universal PV4 combination valve suitable for various braking systems.
- Works with classic trucks, muscle cars, and most vehicles using disc brakes.
- Five connection points for versatile mounting options.
- Constructed from high-quality brass for durability and corrosion resistance.
- Effectively prevents rear lockup by distributing brake pressure proportionally.








