HKS Super SQV4 Sequential BOV Kit | 2017+ Honda Civic Type-R FK8 (71008-AH009)

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Civic Type-R FK8 Super SQV4 Sequential Blow Off Valve by HKS

HKS Super SQV (Sequential Blow Off Valve) uses a unique sequential valve structure and a differential pressure control system, which allows for a broad operating range from low boost to high boost. Its Pull-Type relief design ensures stable operation regardless of the amount of boost pressure.

This Super SQV maximizes the charge-response that repeats pressure-charging and pressurized air relief by throttle on and off and supports new generations of turbocharged vehicles.

Factory recirculation valve sound cannot be noticed, but once HKS Super SQV IV is installed, its unique & sharp high frequency sound demonstrates its existence. Super SQV IV significantly increases its presence and improve the engine compartment appearance. To match with the appearance created by HKS Intercooler Piping Kit, the buff-polished casting pipe is included. By both the sound and appearance, Super SQVIV increases the fun to drive.


  • High Quality Aluminum Die-Cast Body - Combines the ultimate in looks and durability in the engine compartment.
  • High Stiffness Metal Die-Cast Valve - Reliable operation
  • Triple Fin Design - Triple Fins set at the center of the funnel produces a dynamic and aggressive sound.
  • Pull-Type Relief Valve Operation - More precise relief of excess boost and is compatible for a wider range of boost pressure
  • Primary Valve (Small) - Lift off the throttle, and the primary valve instantly opens, quickly discharging initial excess boost pressure.
  • Secondary Valve (Large) - Combined with the Primary Valve to provide optimal blow-off operation from low to high boost ranges
  • Dual Valve Structure, Sequential System - At low boost ranges the Primary Valve opens, and at high boost ranges the Secondary Valve also opens, resulting in linear response and optimal blow-off operation at all boost levels.

Please Note: Compatible with a vehicle with Intercooler Piping Kit (13002-AH001)


  • 2017+ Honda Civic Type-R (FK8)

What's In The Box?

  • 1 - Super SQV4 BOV Kit
  • 1 - Circulation Adapter
  • Hosing and Clamps
  • All Necessary Hardware


  • Manufacturer Standard Warranty

Customer Reviews

Based on 7 reviews
Steven Barrera

Love it! Videos of it don't do it justice. Sounds amazing in person

Juan Gonzalez
Definitely one of the best modifications

Definitely one of the best modifications I've done on my FK8 and as always, mapperformance super fast delivery

Had for 2 years now and no issues

All that talk that it hurts your car is a lie. It works and sounds great and very easy to install


Came in quick and was very simple to install!
Spooling sounds so much better!

Michael Marshall

Great purchase very quick too receive!