HKS bolt in Super SQV Skyline GT-R bov kit

[Super SQV] HKS SUPER SQV (Sequential Blow Off Valve) adopts a unique sequential valve structure, and the differential pressure control system delicately realizes pressure control in a wide operating range from low supercharging range to high supercharging range. In addition, the reliefless operation method ensures stable operation against pressure and supports all turbo cars in a new dimension. 1. High quality aluminum die cast body Uses aluminum die-cast body + silver paint. It has an overwhelming presence and durability in the engine room. 2. High rigidity metal die cast valve Metal die-cast parts are used for the main part of the secondary valve. In addition to reliable operation, it has also evolved in terms of aesthetic elements. 3. Super sound played by triple fins The triple fin set in the center of the funnel produces a high-frequency, loud sound. It produces a sharp and powerful blow-off sound. In addition, we have a lineup of special fins as optional parts for soun