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  • Tial Q BOV 50mm

Tial Q Blow Off Valve 50mm (BOV)


 Product Description

Tial Q Blow Off Valve 50mm (BOV)

Tial Sport's new Q Blow Off Valve is a newer version of the original 50mm BOV. Featuring an improved design through countless hours of R&D, Tial was able to increase 60% more flow than the original design. This is now believed to be the highest flowing on the market. Made from 6061 aluminum alloy with a 50.5mm valve and V-band clamp mounting, this new version just got better.


Springs available:

  • 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)



  • Q BOV Assembly
  • Tial V-band clamp
  • V-band weld flange
  • High pressure O-ring
  • Tial air fitting

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