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  3. ALLIANT POWER PRODUCTS 003907

ALLIANT POWER PRODUCTS 003907 Tial Sport Blow Valve Spring 012458001027 Q/qr Bovs 12.00 21 In/hg

003907 Alliant Power Products Tial Sport Blow-off Valve Spring Fits Q/qr Bovs -12.00 Psi -21 In/hg To

( Brand: Alliant Power Products ), ( Manufacturer Part Number: 003907 ), ( Part Type: Valve Spring ), ( UPC: 012458001027 )

Review ALLIANT POWER PRODUCTS Tial Sport Blow off Valve Spring Fits Q/qr Bovs 12.00 Psi 21 In/hg To

Introducing the Alliant Power 003907 TIAL Sport Blow-Off Valve (BOV), a high-performance component engineered to deliver exceptional engine response and efficiency for your turbocharged vehicle. This BOV is a perfect fit for those seeking to upgrade their factory valve and take their engine tuning to the next level.

The Alliant Power 003907 TIAL Sport BOV is a Quartz-iQR unit, which stands for Quartz Intake Manifold Integrated, Inverted Quality Racer. This design offers a number of advantages over traditional BOVs, including a more direct and efficient blow-off port connection to the intake manifold, smoother operation, and reduced turbulence.

This BOV is equipped with a 12.0 mm diameter blow-off port, making it suitable for engines that produce significant boost pressure. The valve spring is rated for an operating pressure of up to 21 inHg (51.4 cmHg), ensuring that it can handle the increased pressure generated by your turbocharged system.

The TIAL Sport BOV is manufactured using high-quality materials and advanced manufacturing techniques. The valve body is made from anodized aluminum, providing both strength and durability. The spring is crafted from heat-treated stainless steel, ensuring optimal performance under a wide range of temperatures and conditions.

The Alliant Power 003907 TIAL Sport BOV features a unique design, with a recessed valve seat that allows for a more direct and precise valve sealing surface. This results in improved sealing performance and reduced leakage, ensuring that maximum boost pressure is maintained within the intake system.

The BOV also incorporates a TIAL-designed valve mechanism, which utilizes a diaphragm and a needle valve to control the blow-off process. This design offers quick response times and precise control, ensuring that the BOV only opens when necessary to vent excess boost pressure.

In summary, the Alliant Power 003907 TIAL Sport Blow-Off Valve is a high-performance component that is perfect for turbocharged vehicles seeking improved engine response and efficiency. Its Quartz-iQR design offers a more direct and efficient blow-off port connection, while its robust construction and advanced valve mechanism ensure optimal performance under demanding conditions.

Alliant Power 003907 TIAL Sport Blow-Off Valve (BOV) is a popular aftermarket part used to enhance the performance of turbocharged vehicles by controlling the pressure waves in the intake system. Here are some pros and cons of buying this BOV:

Pros:

1. Improved Engine Response: A well-designed BOV helps in reducing the lag and improves the engine response by quickly releasing the built-up pressure waves in the intake system.

2. Enhanced Turbocharger Efficiency: The BOV ensures that the turbocharger operates more efficiently by reducing the backpressure in the intake system, thereby increasing the power output.

3. Reduced Engine Noise: A properly functioning BOV reduces the engine noise caused by the turbulence in the intake system, resulting in a smoother and quieter engine operation.

4. Durable and High-Quality: The TIAL Sport BOV is known for its durability and high-quality construction. It is made from high-grade materials, and its design ensures that it can handle high boost pressures.

5. Easy Installation: The installation process of the Alliant Power 003907 TIAL Sport BOV is relatively straightforward, and most users can complete the installation process within a few hours.

Cons:

1. Expensive: Compared to the stock BOV, the Alliant Power 003907 TIAL Sport BOV is relatively expensive. However, the performance benefits it offers justify the cost for many performance enthusiasts.

2. Requires Calibration: Installing a high-performance BOV like the Alliant Power 003907 TIAL Sport BOV might require calibration to ensure optimal performance. This could add to the overall cost and complexity of the installation process.

3. Potential for Leaks: The BOV has several seals and gaskets that need to be in good condition to prevent leaks. If not installed properly, the BOV could leak, resulting in a loss of boost and poor performance.

4. Loud Operation: Some users might find the BOV to be louder than the stock BOV, especially during aggressive driving conditions. This could be a concern for those who prefer a quieter engine operation.

Conclusion:

The Alliant Power 003907 TIAL Sport Blow-Off Valve is an excellent performance upgrade for turbocharged vehicles. It offers significant performance benefits, including improved engine response, enhanced turbocharger efficiency, reduced engine noise, and high durability. However, it comes with its drawbacks, such as the high cost, potential for leaks, and louder operation. If you are looking for a high-performance BOV that delivers significant benefits, the Alliant Power 003907 TIAL Sport BOV is a worthwhile investment. However, it is essential to ensure that it is installed correctly to avoid any potential issues.

Recommendation:

If you are considering purchasing the Alliant Power 003907 TIAL Sport Blow-Off Valve, we recommend that you ensure that you have the necessary skills and tools to install it correctly. You may also want to consider purchasing it from a reputable dealer to ensure that you receive a genuine and high-quality product. Finally, make sure that you budget for any necessary calibration costs to ensure optimal performance.

Details:

American Express. TiAL Sport Blow-Off Valve Spring Fits Q/QR BOVs, Spring, -12.00 psi 21 in/hg to 23 in/hg, Brown 1/pkg.

specifications turbiparts:

  • brand: Alliant Power Products
  • mpn: 003907
  • part type: Valve Spring
  • upc: 012458001027

returns turbiparts:

  • time: 30 Days
  • policy: Returns Accepted
  • paid by: Seller

seller turbiparts:

  • rating: 99.3%
  • city: , Ohio
  • # reviews: 625004

offer turbiparts:

  • sold: 0
  • quantity: 6
  • options: Ship-to-home
  • availability: In Stock
  • started: April 11, 2026

payments turbiparts:

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shipping turbiparts:

  • service: Standard
  • transit: 4-7 Days
  • cost: $15.99
  • type: Fixed
  • class: Standard

general turbiparts:

  • Air Fuel Delivery > Turbos, Superchargers Intercoolers > Turbos Parts
  • condition: New
part type: valve spring,
category: auto parts > air fuel delivery > turbos, superchargers intercoolers > turbos parts, sku: 13605035949631711,

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