HKS Super SQV4 Blow Off Valve Recirculation Kit (Normal Box) - 2020-2024 Toyota GR Supra
HKS Super SQV4 Blow Off Valve Recirculation Kit (Normal Box) - 2020-2024 Toyota GR Supra
HKS
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PRODUCT DETAILS
RallySport Direct proudly carries performance upgrades by one of the biggest names in the industry, HKS. Since 1973, HKS has been a leading innovator in turbocharger technology, and many of their products have been utilized on world-class race cars of all makes and genres. Today, HKS continues to engineer high-performance engine components to improve the power and performance of your vehicle.
Here, you are looking at the HKS SQ4 Sequential BOV + Return Kit designed for high-pressure applications for your daily driver, weekend show car, or purpose-built race car. This is the grandfather of blow-off valves with its flagship sound that remains to be one of the most effective blow-off valves in the aftermarket. This unit will work quickly to purge the boost in your new Supra much faster and more effectively when compared to the OEM unit.
DETAILS:
- Pull-type sequential valve structure
- New differential pressure control system allows for stable operating ranges from low to high-boost pressures
- Includes vacuum line filter
- Includes circlip, T-fittings, and zip ties
- Includes hose and clamps
- Includes factory-like flange to bolt onto the intercooler
NOTE:
- Will include the return kit that will route back into the factory airbox
WHY WE CARRY THIS
We only list parts we’d run ourselves or recommend to a friend building a real car. If it feels vague, unverified, or inconsistent, it doesn’t make the cut.
- Fitment-first mindset — no “universal” roulette
- Brand reputation matters — we favor proven manufacturing
- Support that actually responds with real answers
WHAT TO EXPECT
This is the clean path: correct fitment, clean install, and results that match the intent.
- Install-ready experience with correct mounting where provided
- Finish that holds up to real driving, not just photos
- Selections on this page drive the exact fitment shipped
TRUST, BUILT INTO THE PROCESS.
Anyone can list parts. We curate what belongs on a serious build. Our goal is simple: fewer surprises, cleaner installs, and confidence when you hit “Buy.”
Fitment checked
We prioritize vehicle-specific listings and clear selection logic so you’re not gambling on compatibility.
Brand discipline
Proven manufacturing and consistent quality matter more than hype. We bias toward what actually holds up.
Real support
If you have a question, you’ll get a human answer that helps you finish the build — not a copy-paste shrug.
RallySport Direct proudly carries performance upgrades by one of the biggest names in the industry, HKS. Since 1973, HKS has been a leading innovator in turbocharger technology, and many of their products have been utilized on world-class race cars of all makes and genres. Today, HKS continues to engineer high-performance engine components to improve the power and performance of your vehicle.
Here, you are looking at the HKS SQ4 Sequential BOV + Return Kit designed for high-pressure applications for your daily driver, weekend show car, or purpose-built race car. This is the grandfather of blow-off valves with its flagship sound that remains to be one of the most effective blow-off valves in the aftermarket. This unit will work quickly to purge the boost in your new Supra much faster and more effectively when compared to the OEM unit.
DETAILS:
- Pull-type sequential valve structure
- New differential pressure control system allows for stable operating ranges from low to high-boost pressures
- Includes vacuum line filter
- Includes circlip, T-fittings, and zip ties
- Includes hose and clamps
- Includes factory-like flange to bolt onto the intercooler
NOTE:
- Will include the return kit that will route back into the factory airbox
