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The HKS Super SQV4 Sequential BOV Assembly is designed for the 2017-2021 Honda Civic and the other applications in the fitment table. Match manufacturer part number 71008-AK001, the complete vehicle or system configuration, dimensions, connections, and included components before ordering.
Key Features
- Sequential Dual-Valve Operation: Primary valve handles low boost for quick response secondary engages for high pressures up to 30 psi with linear discharge across 5-30 psi range.
- Pull-Type Relief System: Differential pressure opens valves without fluttering or hesitation unlike spring-loaded designs for consistent operation and quiet cruising.
- Durable Construction: Silver-coated aluminum die-cast body nickel-plated secondary valve stainless steel C-clip and reinforced spring resist corrosion for long life.
- Broad Boost Compatibility: Stable from vacuum to 30 psi suits stock or modified turbos in compact cars sedans and coupes.
- Weight: 653 grams (1.44 lbs).
- Triple Fin Funnel Design: Directs airflow for sharp high-frequency psshh sound improves engine bay looks and gives clear driver feedback.
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| 2017-2021 | Honda | Civic | Confirm engine, body style, system configuration, and exact interface |
| 1996-2001 | Honda | Integra | Confirm engine, body style, system configuration, and exact interface |
| 2004-2011 | Mazda | RX-8 | Confirm engine, body style, system configuration, and exact interface |
| 2005-2015 | Mitsubishi | Lancer | Confirm engine, body style, system configuration, and exact interface |
| 2009-2020 | Nissan | 370Z | Confirm engine, body style, system configuration, and exact interface |
| 1995-2002 | Nissan | Skyline | Confirm engine, body style, system configuration, and exact interface |
| 2002-2021 | Subaru | WRX | Confirm engine, body style, system configuration, and exact interface |
| 1993-2002 | Toyota | Supra | Confirm engine, body style, system configuration, and exact interface |
| 2015-2021 | Volkswagen | Golf | Confirm engine, body style, system configuration, and exact interface |
Specifications
| Brand | HKS |
|---|---|
| Manufacturer Part Number | 71008-AK001 |
| Product Type | Blow Off Valves |
| Fitment Type | Vehicle Specific |
| Condition | New |
What's Included
One new HKS blow off valves identified by manufacturer part number 71008-AK001, in the quantity stated by the title. Additional wiring, pipes, hoses, clamps, fittings, gaskets, fluids, tuning, tools, and installation hardware are included only when expressly listed for this exact part number.
About HKS
HKS develops exhaust, forced-induction, cooling, engine, electronics, and exterior components for import and performance vehicle applications.
Related HKS Products
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Frequently Asked Questions
How do I confirm this HKS airflow or boost part fits?
Match the manufacturer part number, listed vehicle, engine and turbo configuration, piping diameter, connector, mounting points, and available installation space.
Will tuning be required after installation?
Calibration needs depend on the product, vehicle, boost target, sensors, fuel system, and supporting modifications. Confirm the complete setup with a qualified tuner before operation.
Are all pipes, couplers, valves, and hardware included?
Included components vary by exact part number. Use the What’s Included section and current HKS documentation to identify any separate piping, couplers, clamps, sensors, or adapters.
Installation Instructions
Follow the current HKS instructions and the vehicle service manual for part number 71008-AK001. Compare every component, connection, dimension, and mounting point before disassembly. Use the correct tools, fasteners, torque values, fluids, wiring protection, and safety procedures, then inspect for leaks, interference, heat exposure, clearance, and secure operation before normal use.
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