1. Engine Rocker & Valve Covers Items
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  3. PERFORMANCE RACING WAREHOUSE 4120439

PERFORMANCE RACING WAREHOUSE 4120439 Prw Valve Cover 842864008842 Breather

4120439 Performance Racing Warehouse Prw Valve Cover Breather

( Brand: Performance Racing Warehouse ), ( Manufacturer Part Number: 4120439 ), ( Type: Valve Cover Breathers ), ( Material: Aluminum ), ( Color: Polished ), ( California Prop 65 Warning: True ), ( UPC: 842864008842 )

Review PERFORMANCE RACING WAREHOUSE Prw Valve Cover Breather

Performance Racing PRW Valve Cover Breather Kit

The Performance Racing PRW Valve Cover Breather is a high-performance accessory designed to enhance the functionality and durability of your engine's valve cover. This breather kit is specifically engineered for racing applications, where increased engine pressure and temperature can lead to potential issues if not properly managed.

The PRW Valve Cover Breather is made from premium materials, ensuring superior strength and resistance to the harsh conditions often encountered in racing environments. The breather itself is constructed from reinforced rubber, which provides both flexibility and durability. This material allows for easy installation and ensures a snug fit on the valve cover.

The kit includes a breather tube, which is engineered to withstand the high temperatures and pressures generated within the engine compartment. This tube is made from heat-resistant silicone, ensuring it remains pliable and functional even in extreme conditions. The tube is designed to connect the breather to the intake system, allowing excess crankcase pressure to escape and prevent potential oil foam and engine damage.

The Performance Racing PRW Valve Cover Breather also features an integrated oil separator. This separator helps ensure that any contaminants, such as crankcase gases and moisture, are effectively removed from the breather system before they enter the intake tract. This results in cleaner, more efficient air entering the engine, which can lead to increased power and improved engine performance.

Installing the PRW Valve Cover Breather is a straightforward process, with no drilling or modification required to the valve cover or intake manifold. The kit comes with all necessary hardware and instructions to facilitate a quick and easy installation. Additionally, the breather's flexible design allows for adjustability, making it suitable for use with various intake systems and engine configurations.

In summary, the Performance Racing PRW Valve Cover Breather is an essential accessory for any racing application. Its high-quality materials, durability, and ease of installation make it an invaluable addition to your engine build. By effectively managing crankcase pressure and ensuring clean intake air, this breather kit contributes to improved engine performance, increased power, and enhanced reliability.

Buying a performance racing PRW valve cover breather (part number 4120439) can offer several benefits for your engine, especially in high-performance applications. Here are some potential pros and cons to consider:

Pros:

1. Reduces crankcase pressure: A breather system allows excess crankcase gases to escape instead of building up inside the engine, which can lead to increased power and improved engine performance.

2. Improves oil separation: By routing crankcase gases away from the oil separator, a breather system can help improve the efficiency of the oil separator, resulting in cleaner oil.

3. Prevents crankcase ventilation system issues: In some cases, a breather system can help prevent issues with the crankcase ventilation system, such as vacuum leaks or restricted hoses, which can negatively impact engine performance.

Cons:

1. Cost: Performance racing breather systems can be more expensive than OEM breather systems, and the PRW valve cover breather is no exception.

2. Installation complexity: Installing a performance racing breather system can be more complex than installing an OEM system due to the additional components and customization required.

3. Maintenance: A performance racing breather system may require more frequent maintenance than an OEM system due to the increased air flow and potential for contamination.

Conclusion:

A performance racing PRW valve cover breather (part number 4120439) can offer significant benefits for high-performance engines, including reduced crankcase pressure, improved oil separation, and preventive maintenance for the crankcase ventilation system. However, it comes with some drawbacks such as cost, installation complexity, and increased maintenance requirements.

Recommendation:

If you're looking to maximize engine performance in a high-performance application, a performance racing breather system like the PRW valve cover breather may be worth considering, despite the additional cost and complexity. However, if you're looking for a more cost-effective solution or don't require the additional performance benefits, an OEM breather system may be a better option. Ultimately, the decision comes down to your specific needs and budget.

Details:

Designed for easy installation in valve covers with pre-drilled filler holes, Provides optimal air circulation to help reduce oil temperatures, Traps vapor minimize engine compartment contamination, Features a modular breather fitting that installs without welding

specifications rockercove:

  • brand: Performance Racing Warehouse
  • mpn: 4120439
  • type: Valve Cover Breathers
  • material: Aluminum
  • color: Polished
  • california prop 65 warning: True
  • upc: 842864008842

seller rockercove:

  • rating: 99.2%
  • city: Lincoln, Nebraska
  • # reviews: 324254

payments rockercove:

  • wallet: Paypal
  • credit card: Diners-club
  • other

shipping rockercove:

  • cost: $13.99
  • service: Economy, Expedited
  • type: Fixed
  • transit: 6-6 Days
  • class: Economy, Expedited

general rockercove:

  • condition: New
  • Engines Engine Parts > Valvetrain Components > Rocker Valve Covers

returns rockercove:

  • paid by: Buyer
  • policy: Returns Accepted
  • time: 60 Days

offer rockercove:

  • sold: 0
  • started: July 4, 2025
  • availability: In Stock
  • quantity: 6
  • options: Ship-to-home
type: valve cover breathers, california prop 65 warning: true,
category: auto parts > engines engine parts > valvetrain components > rocker valve covers, color: polished, material: aluminum, sku: 7813743059213762,

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