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TiAL Sport QRJ Blow Off Valve
Genuine TiAL QRJ is the latest boost control valve designed with the needs of high performance recirculating systems in mind. The QRJ features a new body design, compact installation envelope, high-flow capacity, and configurable inlet and outlet ports. Available in all 5 TiAL colors silver, red, blue, purple and black.
The QRJ will come with your chosen inlet fitting and outlet fitting and standard, banjo air fitting.
Shipping Times: 1-2 Weeks
We try to keep the most popular kits in stock, but if you need something quick and want to confirm, just give us a call directly!
Inlet and Outlet Ports:
The QRJ Body features a thread-on design to accept inlet and outlet ports of your choosing. Both the inlet and outlets are the same thread size, so they are interchangeable when applicable.
Spring PSI:
Includes the 3 psi spring.
1.5 psi spring is also available - please call to order.
High Performance Diaphragm:
The QRJ features TiAL's high performance diagram. Long cycle life, zero leakage & zero breakaway friction. For fast and reliable boost control.
Includes:
(1) QRJ Body Assembly (With 3 PSI Spring)
(1) TiAL Air Fitting
(1) Thread-On Inlet Flange
(1) Thread-On Outlet Flange
Specs & Features:
• The body and all internal components are CNC-machined from 6061 aluminum alloy.
• Features a large 1.50 in (38.5mm) valve.
• Optional configurations of Hose and or V-band connections for the inlet and outlet ports.
• The valve seat seal utilizes a Viton O-ring that is clamped in place to prevent the possibility of sticking to the seat and pulling out. The valve stem and guide are Teflon-lubricated, hard anodize-coated for wear resistance.
• The QRJ comes with a TiAL machined aluminum banjo-type air fitting and bolt, with over-sized 10mm hose barb for quick actuator response.
• Color anodized aluminum options (Silver, Red, Blue, Purple, Black).
• Multiple inlet and return port options for many install configurations.
• Internal return spring pressure tuned for fastest response. Custom spring options are available for other configurations.
Inlet & Outlet Fitting Options:

The QRJ will come with your chosen inlet fitting and outlet fitting and standard, banjo air fitting.
Shipping Times: 1-2 Weeks
We try to keep the most popular kits in stock, but if you need something quick and want to confirm, just give us a call directly!
Inlet and Outlet Ports:
The QRJ Body features a thread-on design to accept inlet and outlet ports of your choosing. Both the inlet and outlets are the same thread size, so they are interchangeable when applicable.
Spring PSI:
Includes the 3 psi spring.
1.5 psi spring is also available - please call to order.
High Performance Diaphragm:
The QRJ features TiAL's high performance diagram. Long cycle life, zero leakage & zero breakaway friction. For fast and reliable boost control.
Includes:
(1) QRJ Body Assembly (With 3 PSI Spring)
(1) TiAL Air Fitting
(1) Thread-On Inlet Flange
(1) Thread-On Outlet Flange
Specs & Features:
• The body and all internal components are CNC-machined from 6061 aluminum alloy.
• Features a large 1.50 in (38.5mm) valve.
• Optional configurations of Hose and or V-band connections for the inlet and outlet ports.
• The valve seat seal utilizes a Viton O-ring that is clamped in place to prevent the possibility of sticking to the seat and pulling out. The valve stem and guide are Teflon-lubricated, hard anodize-coated for wear resistance.
• The QRJ comes with a TiAL machined aluminum banjo-type air fitting and bolt, with over-sized 10mm hose barb for quick actuator response.
• Color anodized aluminum options (Silver, Red, Blue, Purple, Black).
• Multiple inlet and return port options for many install configurations.
• Internal return spring pressure tuned for fastest response. Custom spring options are available for other configurations.
Inlet & Outlet Fitting Options:
| Part Number: | Description: | Notes: |
| 004812 | 1" Thread-On Flange | Outlet Only |
| 004794 | 29MM Thread-On Flange (For most R35 GTR) | Outlet Only |
| 004881 | 34MM Thread-On Flange (For Evo IV-X) | Inlet or Outlet |
| 004806 | Discharge Outlet (Non-Recirculated) | Outlet Only |
| 004781 |
Q/QR V-Band Flange Adapter Threads onto your QRJ to attach to an existing Q/QR vband flange on your intercooler piping. Uses this clamp (001624). Available separately. |
Inlet Only |

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From $91.83
Original: $262.36
-65%TiAL Sport QRJ Blow Off Valve—
$262.36
$91.83










Description
Genuine TiAL QRJ is the latest boost control valve designed with the needs of high performance recirculating systems in mind. The QRJ features a new body design, compact installation envelope, high-flow capacity, and configurable inlet and outlet ports. Available in all 5 TiAL colors silver, red, blue, purple and black.
The QRJ will come with your chosen inlet fitting and outlet fitting and standard, banjo air fitting.
Shipping Times: 1-2 Weeks
We try to keep the most popular kits in stock, but if you need something quick and want to confirm, just give us a call directly!
Inlet and Outlet Ports:
The QRJ Body features a thread-on design to accept inlet and outlet ports of your choosing. Both the inlet and outlets are the same thread size, so they are interchangeable when applicable.
Spring PSI:
Includes the 3 psi spring.
1.5 psi spring is also available - please call to order.
High Performance Diaphragm:
The QRJ features TiAL's high performance diagram. Long cycle life, zero leakage & zero breakaway friction. For fast and reliable boost control.
Includes:
(1) QRJ Body Assembly (With 3 PSI Spring)
(1) TiAL Air Fitting
(1) Thread-On Inlet Flange
(1) Thread-On Outlet Flange
Specs & Features:
• The body and all internal components are CNC-machined from 6061 aluminum alloy.
• Features a large 1.50 in (38.5mm) valve.
• Optional configurations of Hose and or V-band connections for the inlet and outlet ports.
• The valve seat seal utilizes a Viton O-ring that is clamped in place to prevent the possibility of sticking to the seat and pulling out. The valve stem and guide are Teflon-lubricated, hard anodize-coated for wear resistance.
• The QRJ comes with a TiAL machined aluminum banjo-type air fitting and bolt, with over-sized 10mm hose barb for quick actuator response.
• Color anodized aluminum options (Silver, Red, Blue, Purple, Black).
• Multiple inlet and return port options for many install configurations.
• Internal return spring pressure tuned for fastest response. Custom spring options are available for other configurations.
Inlet & Outlet Fitting Options:

The QRJ will come with your chosen inlet fitting and outlet fitting and standard, banjo air fitting.
Shipping Times: 1-2 Weeks
We try to keep the most popular kits in stock, but if you need something quick and want to confirm, just give us a call directly!
Inlet and Outlet Ports:
The QRJ Body features a thread-on design to accept inlet and outlet ports of your choosing. Both the inlet and outlets are the same thread size, so they are interchangeable when applicable.
Spring PSI:
Includes the 3 psi spring.
1.5 psi spring is also available - please call to order.
High Performance Diaphragm:
The QRJ features TiAL's high performance diagram. Long cycle life, zero leakage & zero breakaway friction. For fast and reliable boost control.
Includes:
(1) QRJ Body Assembly (With 3 PSI Spring)
(1) TiAL Air Fitting
(1) Thread-On Inlet Flange
(1) Thread-On Outlet Flange
Specs & Features:
• The body and all internal components are CNC-machined from 6061 aluminum alloy.
• Features a large 1.50 in (38.5mm) valve.
• Optional configurations of Hose and or V-band connections for the inlet and outlet ports.
• The valve seat seal utilizes a Viton O-ring that is clamped in place to prevent the possibility of sticking to the seat and pulling out. The valve stem and guide are Teflon-lubricated, hard anodize-coated for wear resistance.
• The QRJ comes with a TiAL machined aluminum banjo-type air fitting and bolt, with over-sized 10mm hose barb for quick actuator response.
• Color anodized aluminum options (Silver, Red, Blue, Purple, Black).
• Multiple inlet and return port options for many install configurations.
• Internal return spring pressure tuned for fastest response. Custom spring options are available for other configurations.
Inlet & Outlet Fitting Options:
| Part Number: | Description: | Notes: |
| 004812 | 1" Thread-On Flange | Outlet Only |
| 004794 | 29MM Thread-On Flange (For most R35 GTR) | Outlet Only |
| 004881 | 34MM Thread-On Flange (For Evo IV-X) | Inlet or Outlet |
| 004806 | Discharge Outlet (Non-Recirculated) | Outlet Only |
| 004781 |
Q/QR V-Band Flange Adapter Threads onto your QRJ to attach to an existing Q/QR vband flange on your intercooler piping. Uses this clamp (001624). Available separately. |
Inlet Only |

See more TiAL Products




