What does changing the BOV spring do?

The spring inside a blow-off valve holds it closed against boost pressure. A higher PSI spring, like this 10 PSI version, allows the valve to hold more boost before it opens, which can improve boost response and prevent leaks in modified turbo systems.

How do I know if I need a different spring?

If your turbo system is experiencing boost leaks, or if you've upgraded your turbo and need the blow-off valve to hold more pressure, changing the spring is a common adjustment. This 10 PSI spring is suitable for many modified applications.

What tools are needed to install this spring?

Typically, you'll need basic hand tools like a socket set or wrenches to disassemble the blow-off valve body and swap the spring. Always refer to the manufacturer's installation guide for specific tool requirements and procedures.

TiAL Sport QR BOV 10 PSI Spring Red 002978

Name: TiAL Sport QR BOV 10 PSI Spring - Red (1.5in)
Brand: TiALSport
SKU: tialsport-tial-sport-qr-bov-10-psi-spring-red-1-5in-t14-538091
Price: 301.50 USD
Availability: BackOrder

TiAL Sport QR BOV 10 PSI Spring - Red (1.5in)

$301.50

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

TiAL Sport QR BOV 10 PSI Spring - Red (1.5in). Direct fit for TiAL Sport QR Blow-Off Valves.

Key Features

Fits TiAL Sport QR Blow-Off Valves.
10 PSI spring pressure rating.
Red color-coded for easy identification.
1.5 inch spring size.
Well-built for reliable performance in forced induction systems.

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Product Details

This is a 10 PSI red spring for the TiAL Sport QR Blow-Off Valve. It's designed to replace the spring that came with your existing QR BOV, allowing you to adjust the boost pressure the valve can hold. If you're looking to fine-tune your turbo system's boost response, changing the spring is a straightforward way to do it.

The spring's tension directly affects how much boost pressure your blow-off valve can hold before it starts to open. A higher PSI spring, like this 10 PSI version, means the valve will stay closed under lower boost levels, which is often desirable in modified turbocharged vehicles. This helps prevent boost leaks and ensures your turbo is working efficiently. TiAL Sport is known for making well-built components for forced induction setups, and this spring is no exception. It's made to work specifically with their QR model BOV, ensuring a proper fit and function.

When installing, remember to disconnect your battery and relieve any residual pressure in the system. You'll typically need a few basic hand tools to access and swap out the spring within the blow-off valve body. Always refer to the manufacturer's installation instructions for the most accurate guidance.