TiALSport 004729 QRJ 40mm Recirculating BOV 10PSI Black

Vehicle Fitment

• Universal turbocharged application - not specific to any vehicle make or model
• Designed for turbo systems that support a 40 mm recirculating blow-off valve
• May require custom piping or adapter flanges depending on turbo/intercooler layout
• Confirm flange compatibility and desired boost requirements before installation

Features

• TiALSport QRJ series 40 mm recirculating blow-off valve engineered for performance
• 10 PSI internal spring for responsive boost release and drivability balance
• Precision CNC-machined aluminum body for strength and lightweight durability
• Black anodized finish for corrosion resistance and a clean look
• Recirculation port for smooth return of vented air back into intake system
• Modular inlet and return port configurations for flexible installation options
• Banjo-style air fitting with oversize barb for fast actuator response
• Compact design fits in tight engine bay spaces or custom turbo builds

Specifications

• Part type: Recirculating blow-off valve (BOV)
• Valve diameter: 40 mm
• Spring pressure: 10 PSI
• Body material: CNC-machined aluminum
• Finish: Black anodized
• Mounting: Modular flange or adapter-compatible
• Ports: Configurable inlet and return options
• Air fitting: Banjo-style with large hose barb

Included Components

• 1x TiALSport QRJ 40 mm recirculating blow-off valve (10 PSI, black)
• 1x Banjo-style air fitting with oversize barb
• Modular port adapters as supplied

Product Description

The TiALSport 004729 QRJ 40 mm Recirculating Blow-Off Valve is a universal performance boost control component designed for turbocharged engines that require smooth, tunable venting of excess boost pressure back into the intake system. Its 10 PSI internal spring provides balanced response and performance for a wide range of street and performance turbo setups while maintaining drivability and minimizing compressor surge.

Constructed from precision CNC-machined aluminum with a durable black anodized finish, the 004729 delivers long-lasting strength and corrosion resistance. The recirculation port and configurable inlet/return options allow flexible installation with many intake layouts, and the responsive banjo-style air fitting with an oversized barb ensures quick actuation response. Because this is a universal component, confirm that your turbo manifold or intake piping can accommodate a 40 mm BOV and choose appropriate adapters before installation for optimal fit and performance.