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HKS 02-07 WRX/ 04-07 STi SSQV4 BOV Kit

$434.50

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HKS 02-07 WRX/ 04-07 STi SSQV4 BOV Kit

$434.50

$434.50

Fits 2002-2007 Subaru WRX and 2004-2007 Subaru WRX STi (2.0L / 2.5L).

The HKS Super Sequential Blow Off Valve IV (SSQV4) is engineered to prevent boost leaks and compressor surge on your EJ-series engine. Unlike traditional push-type valves that can be forced open by high boost pressure, the HKS SSQV4 features a unique pull-type relief structure. This design ensures that the valve remains tightly sealed as boost pressure increases, maintaining system integrity under heavy load.

Constructed from a nickel-plated, die-cast aluminum body with a secondary valve for improved low-boost response, this kit provides both reliability and the signature HKS triple-fin sound. This application-specific kit includes a vehicle-specific mounting flange, allowing for a direct bolt-on installation to the factory intercooler location without the need for custom fabrication.

  • Manufacturer Part Number: 71008-AF006
  • Pull-type valve design prevents boost-induced leakage
  • Dual-stage valve structure for precise operation across the RPM range
  • High-rigidity nickel-plated die-cast aluminum housing
  • Includes vehicle-specific flange, snap ring, O-ring, and vacuum fittings

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