Fine-tune your TiAL Sport Q or QR Series blow-off valve with this 12 PSI replacement spring. Selecting the correct spring tension is critical for maintaining a proper seal at idle while ensuring the valve opens reliably during vacuum transition. This spring is color-coded Black to signify its 12 PSI rating, designed for specific engine vacuum profiles to prevent boost leaks and optimize throttle response.

• Fits TiAL Sport Q and QR Series Blow Off Valves
• Pressure Rating: 12 PSI (Color-coded Black)
• Material: High-strength spring steel for consistent tension and durability
• Essential for matching BOV response to engine idle vacuum
• Manufacturer Part Number: 004028

Fine-tune your forced induction system with the TiAL Sport Q Series BOV 12 PSI replacement spring. This silver-coded spring is engineered to maintain the proper seal on your TiAL Q series blow-off valve, ensuring the piston remains closed until the designated vacuum threshold is met during deceleration.

• Spring Rate: 12 PSI
• Identification Color: Silver
• Application: TiAL Sport Q Series Blow Off Valves
• Material: High-tensile spring steel
• Manufacturer Part Number: 004026

Selecting the correct spring rate for your engine's specific vacuum profile is critical to preventing compressor surge and maintaining sharp throttle response. This genuine TiAL Sport replacement component is manufactured for consistent tension and long-term durability under high-heat engine bay conditions.

The TiAL Sport MVS external wastegate provides reliable boost control in a compact, 38mm V-band configuration. Engineered for high-performance turbocharged systems, the MVS is specifically designed to fit into tight engine bays while maintaining the flow characteristics required for stable manifold pressure.

This complete kit comes with all available springs, providing a wide range of boost configurations to suit your specific tuning requirements. The wastegate also features integrated water cooling ports to help maintain stable operating temperatures during high-load conditions. Every unit is finished in a durable red anodizing for corrosion resistance and engine bay aesthetics.

• Includes all boost springs for precise pressure tuning
• Compact actuator height for clearance in narrow spaces
• V-band inlet and outlet for secure, leak-free installation
• Integrated water cooling ports for thermal management
• Includes stainless steel V-band clamps and weld flanges
• Manufacturer Part Number: 002955

The TiAL Sport MVS (MV-S) 38mm external wastegate is engineered for high-performance turbocharged applications where engine bay space is limited. Standing just 3.7 inches tall, this compact wastegate offers superior boost control without the bulk of traditional units. It features integrated -4 AN water cooling ports to maintain stable temperatures during extreme track conditions, though water cooling is optional for standard use.

• High-temperature NiCrFe based alloy valve and 347 stainless steel valve housing for maximum heat resistance
• 6061-T6 aluminum actuator chassis with a durable purple anodized finish
• Includes a complete set of 17-7 PH stainless steel springs for customizable boost pressure settings
• V-band inlet and outlet connections provide a secure, leak-free seal and simplified installation
• Features two 1/8 inch NPT top air ports and two 1/8 inch NPT side air ports
• Manufacturer Part Number: 002954

Each MVS wastegate kit includes the valve assembly, two TiAL V-band clamps, two stainless steel V-band flanges, all available springs, and removable water fittings.

The TiAL Sport MVS (MV-S) 38mm external wastegate is engineered for high-performance turbocharged applications where engine bay space is limited. At only 3.7 inches in height, this compact wastegate provides superior boost control without the bulk of traditional units. The MVS features integrated water-cooling ports that allow for temperature management in extreme environments, though they can be left plugged if not required.

• High-Temp Construction: Features a high-temperature NiCrFe-based alloy valve and 347 stainless steel valve housing for maximum durability under high exhaust gas temperatures.
• Precise Boost Control: Comes with a complete set of 17-7 PH stainless steel actuator springs, allowing you to fine-tune your boost pressure exactly to your requirements.
• Secure Sealing: Utilizes Nitronic 60 stainless steel for the valve guide and valve seat to ensure long-term reliability and resistance to galling.
• Complete Kit: Includes the MVS assembly, all tuning springs, two TiAL V-band clamps, two TiAL V-band flanges, and all necessary air and water fittings.
• Manufacturer Part Number: 002953

The TiAL Sport MVS external wastegate is designed for high-performance turbocharged applications where space is at a premium. This compact 38mm V-band unit provides precise boost control and superior heat management. Constructed with a high-temperature NiCrFe based alloy for the valve housing and 347SS for the valve guide and seat, the MVS is built to withstand the rigors of extreme exhaust gas temperatures.

This kit is supplied with a complete set of springs, allowing you to configure your boost pressure to your exact requirements without the need for additional purchases. The MVS also features integrated water-cooling ports (removable if not required) to maintain actuator temperature stability in demanding racing environments.

• High-temperature NiCrFe based alloy valve housing for maximum durability
• 347SS valve guide and seat
• Includes all boost springs for versatile pressure settings
• Includes inlet and outlet V-band clamps and flanges
• Blue anodized 6061-T6 aluminum actuator housing
• Equipped with two -4AN water ports and two 1/8" NPT air ports
• Manufacturer Part Number: 002952

The TiAL Sport MVR 44mm external wastegate is a compact, high-performance solution for precise turbocharger boost control. Designed as a direct upgrade for the original V44, the MVR features a shorter overall height to fit into tight engine bays without sacrificing flow or reliability. This complete kit includes every available spring, allowing you to tune your boost pressure across a wide range of settings to match your specific build requirements.

Built to handle extreme exhaust temperatures, the MVR utilizes a high-temperature NiCrFe-based alloy for the valve and a 347 stainless steel valve housing. The actuator top is CNC-machined from 6061-T6 aluminum and finished in a durable purple anodizing. For high-heat applications, integrated water cooling ports are included to maintain stable diaphragm temperatures and consistent performance.

• Manufacturer Part Number: 002950
• Valve Material: High-temperature NiCrFe based alloy
• Housing Material: 347 Stainless Steel
• Diaphragm: High-temperature Nomex-reinforced silicone
• Springs: 17-7 PH Stainless Steel for consistent pressure at high temps
• Ports: Two -4 AN water cooling ports and three M10x1.0 air ports
• Flange: V-Band inlet and outlet for a leak-free, secure seal

Included in the box: MVR 44mm wastegate unit, all available springs, two TiAL -4 AN water fittings, M10x1.0 plugs, inlet/outlet V-band clamps, and matching stainless steel weld flanges.

The TiAL Sport MVR (MV-R) 44mm external wastegate delivers precise boost control in a compact, high-performance package. Engineered for extreme thermal loads, the MV-R features a 347 stainless steel valve housing and a high-temperature NiCrFe alloy valve, ensuring reliability under the most demanding racing conditions. This unit is equipped with integrated water-cooling ports to stabilize actuator temperatures without affecting performance, though use of these ports is optional.

• Includes full spring set for adjustable boost pressures from 0.3 to 1.7 bar
• High-temperature 17-7 PH stainless steel actuator spring resists functional fatigue up to 900°F (485°C)
• Three lower and two upper air ports simplify vacuum line routing and clocking
• Blue anodized 6061-T6 aluminum actuator top
• V-band inlet and outlet for secure, leak-free installation and easy removal
• Includes TiAL part number 002948, V-band flanges, and sealing clamps

The TiAL Sport F38 is a high-performance 38mm external wastegate engineered for precise boost management in turbocharged applications. This unit features a 1.0 Bar (14.50 PSI) spring and is finished in silver, making it a reliable choice for both street and race builds requiring a 2-bolt flange configuration.

Constructed to withstand extreme exhaust temperatures, the F38 utilizes a high-temperature NiCrFe based alloy for the valve and 347 stainless steel for the housing. The actuator diaphragm is reinforced with high-temperature Nomex, ensuring consistent valve response and long-term durability under high-stress conditions.

• Valve Diameter: 38mm
• Spring Rating: 1.0 Bar (14.50 PSI)
• Housing Material: 347 Stainless Steel
• Valve Material: High-temperature NiCrFe based alloy
• Inlet/Outlet: 2-bolt flange style
• Finish: Silver anodized actuator top
• Manufacturer Part Number: 002913

The TiAL Sport F38 is a precision-engineered external wastegate designed for reliable boost control in turbocharged systems. This 38mm unit is a staple for performance builds, offering a compact 2-bolt flange design that provides excellent flow and durability under high exhaust temperatures.

• Model: F38 External Wastegate
• Valve Diameter: 38mm
• Spring Rating: 0.5 Bar (7.25 PSI)
• Color/Finish: Black
• Flange Configuration: 2-Bolt
• MPN: 002890

Built to handle the rigors of forced induction, the F38 provides consistent actuation and precise pressure management. The pre-installed 0.5 Bar spring serves as a reliable baseline for low-to-mid boost applications or as a foundation for external boost controllers. This wastegate is ideal for replacing a worn unit or completing a custom turbo manifold setup where a 2-bolt 38mm interface is required.

The TiAL Sport F38 is a performance-proven 38mm external wastegate engineered for precise boost control in turbocharged applications. Designed to fit standard 2-bolt manifold flanges, this F38 model comes equipped with a 0.5 Bar (7.25 PSI) spring, making it an ideal solution for low-to-mid boost configurations where reliability and thermal stability are critical.

Constructed with a high-temperature NiCrFe-based alloy valve and a 347 stainless steel valve housing, the F38 is built to withstand extreme exhaust temperatures without fatigue. The actuator features a high-temperature Nomex-reinforced silicone diaphragm, ensuring consistent cycling and longevity under track and street conditions.

• Valve Diameter: 38mm
• Spring Rating: 0.5 Bar (7.25 PSI)
• Housing Material: 347 Stainless Steel
• Valve Material: High-Temp NiCrFe Based Alloy
• Diaphragm: Nomex-reinforced Silicone
• Finish: Silver Anodized
• Mounting Style: 2-Bolt Flange
• Manufacturer Part Number: 002888

The TiAL Sport V60 is a high-capacity 60mm external wastegate engineered for high-horsepower turbocharged applications that require maximum flow and precise boost control. As the largest wastegate in the TiAL lineup, the V60 is designed to handle extreme exhaust volumes and heat. This unit features a 1.048 Bar (15.21 PSI) spring and a black anodized actuator top for a clean, durable finish.

Built with a high-temperature NiCrFe based alloy valve and a 347 stainless steel valve housing, this wastegate provides exceptional longevity under racing conditions. The actuator utilizes a high-temperature Nomex-reinforced silicone diaphragm for reliable performance. The included V-band inlet and outlet flanges make installation and service straightforward while ensuring a leak-free seal.

• 60mm valve diameter for superior exhaust flow
• 1.048 Bar (15.21 PSI) spring rate
• High-temperature stainless steel and alloy construction
• Anodized black 6061-T6 aluminum actuator housing
• Includes stainless steel V-band inlet and outlet clamps
• Manufacturer Part Number: 002676

Ensure your TiAL Sport Q or QR series blow-off valve operates at peak efficiency with this genuine replacement spring. Engineered to exacting tolerances, this 8 PSI spring is color-coded Red to denote its specific tension, allowing for precise fine-tuning of your BOV response based on your engine's vacuum profile.

Proper spring selection is critical for maintaining idle stability and preventing compressor surge. This spring keeps the valve seated correctly under vacuum while allowing for immediate venting of boost pressure during throttle lift. Made from high-quality materials to resist fatigue, it is a direct fit for the TiAL Q and QR valve housings.

• Manufacturer Part Number: 002590
• Series Compatibility: TiAL Q and TiAL QR Blow Off Valves
• Spring Rate: 8 PSI
• Identification Color: Red
• Function: Regulates BOV opening and closing based on vacuum/boost pressure

Calibrate your blow-off valve for precise boost response with this genuine TiAL Sport replacement actuator spring. Designed specifically for the TiAL Q Series Blow Off Valve (BOV), this 8 PSI spring ensures your valve operates according to your engine's specific vacuum profile at idle.

• Manufacturer Part Number: 002589
• Pressure Rating: 8 PSI
• Color Identification: Purple
• Application: TiAL Sport Q Series BOV

Proper spring selection is essential to prevent compressor surge and ensure the valve remains closed under vacuum at idle. This high-quality spring is manufactured to strict tolerances for consistent performance and is color-coded purple to simplify identification during installation or tuning.

This genuine TiAL Sport replacement spring is designed to calibrate your Q, QR, or BV 50mm Blow Off Valve (BOV) to your engine's specific vacuum profile. Rated at 8 PSI, this "Black" color-coded spring provides the precise tension required to keep the valve closed at idle while ensuring rapid response during vacuum transitions to protect your turbocharger from compressor surge.

• Manufacturer Part Number: 002588
• Pressure Rating: 8 PSI (0.55 bar)
• Color Code: Black
• Compatible Valves: TiAL Q, TiAL QR, and TiAL BV 50mm
• Material: High-grade spring steel for consistent tension and fatigue resistance
• Ensures proper valve seating and venting based on manifold vacuum

Fine-tune your forced induction system's response with this genuine TiAL Sport replacement spring for Q and QR series blow off valves. This 8 PSI spring is engineered to provide precise control over valve actuation, ensuring optimal pressure relief during throttle lift-off while maintaining a secure seal under boost conditions.

Manufactured from high-grade spring steel, this component is designed to maintain its specific tension through thousands of heat cycles. The blue color-coding allows for easy identification of the pressure rating, ensuring you have the correct spring rate matched to your engine's vacuum profile at idle.

• Compatible with TiAL Q and QR series blow off valves
• Pressure Rating: 8 PSI
• Color Identifier: Blue
• Manufacturer Part Number: 002587
• Precision wound for consistent spring rates

The TiAL Sport Q Series BOV replacement spring (MPN 002586) is engineered to calibrate your blow off valve's opening response based on specific engine manifold vacuum at idle. This 8 PSI silver-coded spring is a genuine internal component designed for use within TiAL Q and QR series valves to ensure accurate venting and prevent premature pressure leaks or compressor surge.

Selecting the correct spring rate is a critical step in turbocharger tuning; the spring must be stiff enough to stay closed at idle but light enough to crack open during throttle lift. This spring is precision-wound to maintain its tension through extreme engine bay heat cycles, providing reliable actuation for high-performance forced induction systems.

• Manufacturer: TiAL Sport
• Compatibility: TiAL Q and QR Series Blow Off Valves
• Pressure Rating: 8 PSI
• Color Code: Silver
• Part Number: 002586

Fine-tune your turbocharger system's response with this genuine TiAL Sport replacement actuator spring. Designed specifically for the TiAL Q and QR series Blow Off Valves, this 6 PSI spring (color-coded Red) allows you to calibrate your valve's opening point based on your engine's specific manifold vacuum at idle.

• Manufacturer Part Number: 002585
• Pressure Rating: 6 PSI (0.41 Bar)
• Spring Color Code: Red
• Application: Replacement or tuning component for TiAL Q, QR, and BV 50mm valves
• Material: High-quality spring steel for consistent tension and durability

Proper spring selection is critical for ensuring the BOV remains closed at idle while reacting quickly to throttle lift. This Red 6 PSI spring is typically utilized in specific vacuum-tuning scenarios where a lighter or heavier tension is required for optimal valve operation.

Fine-tune your forced induction system's response with this genuine TiAL Sport replacement spring. Designed specifically for the TiAL Q and QR series blow-off valves, this spring allows you to calibrate the valve's opening point to match your engine's manifold vacuum at idle.

Choosing the correct spring rate is critical to prevent compressor surge and ensure the valve remains closed under vacuum when necessary. This 6 PSI spring is color-coded black for quick identification during installation or maintenance, ensuring your bypass system operates within its intended pressure range.

• Manufacturer Part Number: 002583
• Pressure Rating: 6 PSI
• Color Code: Black
• Compatibility: Specifically for TiAL Sport Q and QR Blow Off Valves
• Material: Precision-wound high-tensile spring steel

Fine-tune your forced induction system with this genuine TiAL Sport replacement spring for Q and QR series Blow Off Valves (BOV). This 6 PSI spring is a precision-engineered internal component designed to maintain the correct piston seat pressure based on your engine's specific manifold vacuum at idle.

• Compatibility: Specifically designed for TiAL Sport Q and QR Series Blow Off Valves
• Pressure Rating: 6 PSI
• Identification Color: Blue
• Material: High-tensile spring steel for consistent rate and long-term durability
• Function: Regulates BOV opening and closing based on engine vacuum profiles
• Manufacturer Part Number: 002582

Fine-tune your turbocharger system with the authentic TiAL Sport replacement spring (MPN: 002581). This 6 PSI spring, color-coded Silver, is specifically engineered for use within TiAL Q and QR series blow off valves. Selecting the correct spring tension is essential to ensure the valve remains closed at idle while providing a fast, responsive release to prevent compressor surge during shifts and deceleration.

• Compatible with TiAL Q and QR Series Blow Off Valves (BOV)
• Spring Tension Rating: 6 PSI
• Identification Color: Silver
• Application: Typically utilized for engines producing vacuum levels between -8 in/Hg and -11 in/Hg at idle
• Precision-wound for consistent performance and durability
• Manufacturer Part Number: 002581

Tune your TiAL Sport Q Blow Off Valve for precise vacuum response with this genuine replacement spring. Rated at 2 PSI and color-coded red for easy identification, this spring allows you to match your BOV's performance to your engine's specific manifold vacuum at idle. Selecting the correct spring pressure is critical for ensuring the valve remains closed under vacuum while staying responsive enough to vent pressure during shifts or deceleration.

• Manufacturer: TiAL Sport
• Compatibility: Designed for TiAL Q and QR series valves
• Spring Rating: 2 PSI
• Color Code: Red
• Material: High-quality spring steel for consistent tension
• Manufacturer Part Number: 002580

Fine-tune the response of your TiAL blow-off valve with this genuine TiAL Sport 2 PSI replacement spring. This Black color-coded spring is engineered to calibrate the valve opening pressure based on your engine's specific vacuum profile at idle, ensuring the piston stays seated under vacuum while maintaining rapid venting during throttle lift-off.

Constructed from high-fatigue spring steel, this component provides the consistent tension required for high-performance forced induction systems. It is a direct replacement for the internal spring found in the TiAL Q, QR, and original BV 50mm valve housings.

• Pressure Rating: 2 PSI
• Color Code: Black
• Compatibility: TiAL Q, TiAL QR, and TiAL BV 50mm Blow-Off Valves
• Material: High-tensile spring steel
• Manufacturer Part Number: 002578

Fine-tune your forced induction system's response with this authentic TiAL Sport replacement spring (MPN: 002575). Designed specifically for the TiAL Q and QR series blow-off valves, this spring allows you to match your BOV's cracking pressure to your engine's specific vacuum profile at idle.

Proper spring selection is critical for preventing compressor surge and ensuring the valve remains closed under vacuum to avoid unfiltered air entering the intake. This 11 PSI spring is identified by its Red color coding and is precision-wound for consistent tension and durability through thousands of thermal cycles.

• Fits TiAL Sport Q and QR Series Blow Off Valves
• Spring Rating: 11 PSI (-22 in/Hg vacuum)
• Color Code: Red
• Material: High-strength spring steel
• Manufacturer Part Number: 002575

Calibrate your blow-off valve for precise response with this genuine TiAL Sport replacement spring. Designed specifically for the TiAL Q series BOV, this spring allows you to match the valve's opening characteristics to your engine's specific idle vacuum levels, preventing boost leaks and ensuring smooth operation.

This spring is color-coded purple to signify an 11 PSI rating. Using the correct spring tension is critical for maintaining idle stability and protecting your turbocharger from compressor surge during off-throttle transitions.

• Manufacturer Part Number: 002574
• Spring Rate: 11 PSI
• Identification Color: Purple
• Compatibility: Engineered for TiAL Q and QR series blow-off valves
• Material: High-tensile spring steel for consistent tension and long-term durability

Calibrate your forced induction system's response with this genuine TiAL Sport replacement spring for Q series Blow Off Valves. This high-precision spring is rated for 11 PSI and features a black color-coded finish for easy identification during tuning or maintenance.

Selecting the correct spring pressure is essential for maintaining a proper seal at idle while ensuring the valve vents reliably during throttle lift. This spring is manufactured to strict tolerances to provide consistent performance under boost. Use this to replace a worn internal spring or to recalibrate your BOV after engine modifications that alter your manifold vacuum levels.

• Manufacturer Part Number: 002573
• Pressure Rating: 11 PSI
• Identification Color: Black
• Application: TiAL Q Series Blow Off Valves (BOV)

Calibrate your blow off valve for optimal performance with the TiAL Sport Q BOV 11 PSI Replacement Spring. This genuine TiAL component is engineered to precisely control the opening and closing of your valve based on engine vacuum, ensuring your turbocharger operates efficiently without premature venting or compressor surge.

Constructed from high-tensile spring steel, this Blue-coded spring is designed to withstand the extreme heat and cycling of high-performance engine bays. It is a direct replacement or tuning component for the TiAL Q and QR series blow off valves, allowing for fine-tuning of the BOV's response to match your specific engine vacuum profile.

• Product Type: Blow Off Valve Tuning Spring
• Spring Rate: 11 PSI
• Color Code: Blue
• Compatibility: Designed for TiAL Q and QR series valves
• Material: High-tensile spring steel
• Manufacturer Part Number: 002572

Fine-tune your turbocharger's boost response and idle stability with this genuine TiAL Sport replacement spring for Q Series Blow Off Valves (BOV). This 11 PSI spring, identified by its Silver color coding, is engineered to provide the precise seat pressure required to keep the valve closed at idle while ensuring reliable venting during throttle lift. Selecting the correct spring rate based on your engine's vacuum at idle is critical for preventing boost leaks and ensuring the longevity of your turbocharger components.

• Manufacturer Part Number: 002571
• Pressure Rating: 11 PSI
• Color Identification: Silver
• Compatibility: Fits TiAL Sport Q Series Blow Off Valves
• Material: High-strength spring steel for consistent tension over heat cycles

This genuine TiAL Sport replacement spring is engineered specifically for the TiAL Q and QR series Blow Off Valves. Selecting the correct spring rate is essential for ensuring your BOV remains closed at idle and tip-in while opening reliably under vacuum to protect your turbocharger from compressor surge.

Precision-wound from high-quality spring steel, this 10 PSI spring features a red color-coded finish for easy identification. This component allows for precise tuning of the valve's response based on your engine's specific vacuum characteristics.

• Application: Fits TiAL Q and QR series Blow Off Valves
• Pressure Rating: 10 PSI
• Spring Color: Red
• Material: High-grade spring steel
• Manufacturer Part Number: 002570

Calibrate your turbocharger's pressure relief system with this genuine TiAL Sport replacement spring for Q and QR series Blow Off Valves (BOVs). This 10 PSI spring, color-coded Purple, is engineered to provide the precise tension required to keep the valve seated at idle while ensuring rapid actuation during throttle lift-off. Properly matching the spring rate to your engine's vacuum profile is essential for preventing compressor surge and ensuring smooth drivability.

• Manufacturer Part Number: 002569
• Pressure Rating: 10 PSI
• Color Identification: Purple
• Compatibility: Designed specifically for TiAL Sport Q and QR series BOVs
• Construction: Manufactured from high-tensile spring steel for consistent performance and fatigue resistance

Whether you are replacing a worn component or tuning your BOV response for a specific vacuum range, this genuine TiAL spring delivers the reliability needed for high-performance forced induction applications.