SKU: 91731-065100 | UPC: 4957266263839
HKS O-Ring for Blow Off Valve SQV SSQV Subaru WRX STI 1993-2023
The HKS O-Ring for BOV serves as a direct replacement seal for HKS SQV and SSQV series blow off valves. It fits performance vehicles equipped with these valves including Subaru WRX STI from 1993 to 2023 Mitsubishi Lancer Evolution Nissan GT-R models Toyota Supra turbo and Mazda RX-7. This O-ring provides airtight sealing to prevent boost leaks and maintain consistent turbo response during high-pressure operation.
Key Features
- Genuine HKS Part: Factory-engineered to match SQV SSQV BOVs for exact fit and reliable function
- High-Pressure Seal: Withstands extreme boost levels up to 40 psi without failure for consistent performance
- Heat-Resistant Material: FKM fluoroelastomer endures 300C temperatures and resists oil fuel chemicals
- Easy Replacement: Quick swap restores valve performance in minutes during routine maintenance
- Precision Dimensions: 65mm ID x 1mm thick O-ring matches OEM specifications to eliminate leaks
Product Notes
- Use HKS Silicone Grease part 1005SP0010 for installation lubrication
- Inspect BOV piston and housing for wear before replacing O-ring
- Small lightweight part ships in protective plastic bag
Installation Notes
- Professional installation recommended.
- Depressurize system remove BOV disassemble piston to access O-ring
- Compatible with all HKS SQV SSQV BOV hardware no modifications needed
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1993-2023 | Subaru | Impreza | WRX STI |
| 1993-2023 | Subaru | Impreza | WRX |
| 1994-2016 | Mitsubishi | Lancer | Evolution All |
| 1989-2005 | Nissan | Skyline | GT-R R32-R34 |
| 2007-2023 | Nissan | GT-R | R35 |
| 1989-2023 | Toyota | Supra | All Turbo |
| 1992-2003 | Mazda | RX-7 | FD3S |
Why Choose HKS?
- Trusted since 1973 in JDM racing and street performance
- Engineered for turbocharged applications worldwide
- Exact tolerances from Japanese manufacturing standards
Frequently Asked Questions
- Q: Will this fit HKS SSQV4 BOV on my 2015 WRX?
A: Yes it directly replaces the O-ring in all SSQV SQV series valves including SSQV4 on Subaru WRX STI Evo GT-R - Q: What material is the O-ring made from?
A: FKM fluoroelastomer for superior resistance to boost heat oil and fuel compared to standard rubber - Q: Does HKS offer warranty on this part?
A: Covered under HKS 1-year limited warranty when installed correctly with genuine parts
Shipping & Handling
- Method: USPS First Class or UPS Ground
- Availability: In stock – ships same or next business day
- Packaging: Protective plastic bag in 4 x 3 x 0.5 inch envelope
- Weight: 0.05 lbs
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