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The HKS O-Ring for BOV is designed for the 1992-2003 Mazda RX-7 and the other applications in the fitment table. Match manufacturer part number 91731-065100, the complete vehicle or system configuration, dimensions, connections, and included components before ordering.
Key Features
- Performance airflow or boost-control component in the stated configuration
- Core, piping, inlet, outlet, valve, and control details are part-number specific
- Engine, turbo system, sensors, and available installation space must be confirmed
- Calibration and supporting modification requirements vary by application
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| 1992-2003 | Mazda | RX-7 | Confirm engine, body style, system configuration, and exact interface |
| 1994-2016 | Mitsubishi | Lancer | Confirm engine, body style, system configuration, and exact interface |
| 2007-2023 | Nissan | GT-R | Confirm engine, body style, system configuration, and exact interface |
| 1989-2005 | Nissan | Skyline | Confirm engine, body style, system configuration, and exact interface |
| 1993-2023 | Subaru | Impreza | Confirm engine, body style, system configuration, and exact interface |
| 1989-2023 | Toyota | Supra | Confirm engine, body style, system configuration, and exact interface |
Specifications
| Brand | HKS |
|---|---|
| Manufacturer Part Number | 91731-065100 |
| Product Type | Blow Off Valve Accessories |
| Fitment Type | Vehicle Specific |
| Condition | New |
What's Included
One new HKS blow off valve accessories identified by manufacturer part number 91731-065100, 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.
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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 91731-065100. 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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