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 through a differential pressure control system.

[Compatibility] Daihatsu Copen Model: LA400K Engine: KF (Turbo) Year: 14/06- Copen GR SPORT Model: LA400K Engine: KF (Turbo) Year: 19/10- *Please check the manufacturer's website for the latest compatibility information.
This is a COPEN-specific SQV 4 kit that comes standard with a return kit.
The original recirculation valve is barely audible, but with the SUPER SQV 4 installed, its distinctive high-frequency, crisp operating sound is clearly audible, making its presence very noticeable.
Furthermore, the SUPER SQV 4 is positioned next to the air cleaner case, giving it a strong presence in the engine bay and providing an excellent dress-up effect.
During our testing, we did not observe any issues such as engine stalling resulting from the installation of this product.

Accessories: Suction return kit included as standard.
The HKS SUPER SQV (Sequential Blow-Off Valve) employs HKS's unique two-stage sequential valve structure using a primary valve and a secondary valve, and its differential pressure control system enables precise pressure control across a wide operating range, from low to high boost pressure.
Furthermore, the "relief-less operation method," which differs from the structure of typical blow-off valves, suppresses relief during turbocharger boosting and maximizes charge response when boosting and releasing the throttle repeatedly.
SQV IV supports all turbo vehicles to a new level.



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Car   Turbocharger   Engine   Valve   HKS   ブローオフバルブ   Blowoff valve   Daihatsu Copen Robe   HKS Super SQV 4 RETURN KIT PLUS LA400K Copen   HKS Super SQV4 Universal ASSY