HKS SQV Racing BOV | Turn Style



HKS original 3-chamber structure ensures the stable operation of blow-off valve regardless of the amount of pressure. Large 51mm valve performs great with high power and large displacement engines. Adjustable pre-load allows a wide range of applications.

29 in stock

NON CARB LEGAL: Will not ship to CARB states.


The HKS SQV Racing BOV is the embodiment of race-ready performance. It’s engineered to handle the high-pressure conditions and rigorous demands of motorsport, ensuring that your turbocharged engine runs at its peak at all times. Whether you’re a professional racer or a dedicated enthusiast, this BOV will keep your engine performing flawlessly.

Unparalleled Sound and Response:

One of the standout features of the SQV Racing BOV is its distinctive sound. When you release the throttle, you’ll experience the iconic HKS “Super SQV” sound, a unique high-pitched whistle that announces your presence on the track or the street. Beyond the auditory delight, this BOV provides lightning-fast response times, ensuring that your turbo maintains boost pressure for an uninterrupted surge of power.

Built for Durability:

HKS is renowned for its commitment to quality, and the SQV Racing BOV is no exception. Constructed from high-grade materials, it’s built to withstand the most extreme conditions. You can trust this BOV to perform flawlessly in the harshest environments, giving you the peace of mind you need during intense driving situations.

3-chamber System:

Typical blow off valves require spring load settings for each vehicle specification. If the spring load setting is too low, the boost pressure may be relieved under high boost, and the desired boost setting may not be reached. If the spring load setting is too strong, the valve may not open at low boost. HKS RACING SQV utilizes a reliefless type; therefore, it delivers stable operation at all boost levels. Durability tests of over 1 million operations minimizes the chances of valve stick and achieves high durability.

Take your turbocharged engine to the next level with the HKS SQV Racing Blow-Off Valve. Experience the thrilling combination of power, precision, and the iconic HKS sound that defines automotive excellence. Elevate your driving experience today, and unleash the full potential of your turbocharged vehicle with this legendary BOV from HKS!

Installation flange is included. The flange must be welded to a pipe. A piping hose is not included. The size of the flange is different from the one for existing SSQV.

Additional information

Weight 1.9 lbs
Dimensions 7 × 6.3 × 4.5 in