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Tial Q Blow Off Valve

Brand: Tial
Brand : Tial
You can earn 490 Tuner Miles on this product!
List Price: $299.99
Price: $244.99
Tial Q Blow Off Valve
Product Details

The TiAL Q is the first revision of the nine year old original TiAL BOV. The TiAL Q bolts right up to any standard TiAL flange, no re-welding needed.


  • Q BOV Assembly
  • TiAL V-Band Clamp
  • V-Band Weld Flange (Aluminum)
  • High Pressure O-Ring
  • TiAL Air Fitting


  • For use on turbo-charged and super-charged applications (Paxton, Vortec, etc.). The body and all internal components are CNC-machined from 6061 aluminum alloy. It features a large 1.98 in (50.5mm) valve.
  • The V-Band design aluminum mounting clamp gives a very clean and unique appearance. The clamp is anodized and uses Stainless Steel hardware for a long lasting, corrosion-free appearance.
  • The valve 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 Blow Off Valve also comes with our own machined aluminum banjo-type air fitting and bolt, with over sized 10mm hose barb for quick actuator response. The actuator has a high temp silicone Nomex-reinforced diaphragm for long life.
  • An aluminum weld base mounting flange is furnished with each unit. Stainless Steel is available at an additional cost. The use of 6061 aluminum allows the housing to be anodized with a selection of colors.
  • Through countless hours of R&D we were able to make the same size valve flow a staggering 60% more than the original design – that means 60% more air is blown off per cycle! This is the highest flowing BOV on the market.

BOV Springs
Choose from different springs for specific pressures.
  • Pink: -11 Psi (-22 in/Hg )
  • Un-painted: -10 Psi (-20 in/Hg )
  • White: -8 Psi (-16 in/Hg )
  • Black: -6 Psi (-12 in/Hg )
  • Each BOV includes an aluminum weld on flange
  • Upgrade and get a stainless steel flange (you will also receive the included aluminum flange when you upgrade)
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