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HKS SQV IV Black Edition BOV Kit - Universal

Regular price $295.00 USD
Regular price Sale price $295.00 USD

On this page, you are looking at the HKS SQ4 Sequential BOV. This is the grandfather of blow-off valves with its flagship sound that remains to be one of the most effective blow-off valves in the aftermarket.




  • Pull-type sequential valve structure
  • New differential pressure control system allows for stable operating ranges from low to high-boost pressures
  • Includes vacuum line filter
  • Includes circlip, T-fittings, and zip ties
  • Includes recirculation connectors
  • Includes factory-like flange to bolt onto the intercooler
  • Black Edition