The HKS Super SQV (Sequential Blow-Off Valve) is a blow-off valve that employs a unique two-stage sequential valve structure using a primary valve and a secondary valve, and achieves precise pressure control across a wide operating range from low to high boost pressure ranges through a differential pressure control system.
[Compatibility] Nissan Skyline Model: ER34 Engine: RB25DET Year: 98/05-01/06 Skyline Model: ECR33 Engine: RB25DET Year: 93/09-98/05 Stagea Model: WGNC34 Engine: RB25DET Year: 98/09-01/10 Stagea Model: WGNC34 Engine: RB25DET Year: 96/09-98/08 Please check the manufacturer's website for the latest compatibility information.
The HKS SUPER SQV (Sequential Blow-Off Valve) employs HKS's unique two-stage sequential valve structure using a primary and secondary valve, and its differential pressure control system precisely controls pressure across a wide operating range, from low to high boost pressure. Furthermore, its "relief-less operation method," which differs from the structure of conventional blow-off valves, suppresses relief during turbocharger boost and maximizes charge response when boosting and releasing the throttle repeatedly. The SQV IV supports all turbo vehicles to a new level.

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Car   Nissan Skyline   Engine   Valve   Nissan Stagea   ブローオフバルブ   Blowoff valve   RB25DET   Rotor   HKS Super SQV4 Universal ASSY