Universal Super SQV Blow Off Valve IV. HKS Super SQV (Super Sequential Blow Off Valve) uses a unique sequential valve structure and a differential pressure control system, which allows for a broad operation range from low boost to high boost. Universal bov does not come with Recirculation Kit and Flange Adapter. 2013 Redesigned Super SQV Blow off Valve by HKS. Brand new in the box.The item "HKS UNIVERSAL BLACK BLOW OFF VALVE BOV SQV SSQV S2000 GTI WRX STI EVO MR2 240SX" is in sale since Tuesday, October 26, 2010. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Turbos, Nitrous, Superchargers\Turbo Chargers & Parts". The seller is "z_w6" and is located in Alhambra, California. This item can be shipped worldwide.