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SKU: 71008-AT012 | UPC: 4957266265277
HKS 93-98 Supra TT SSQV4 BOV Kit
This HKS SSQV4 Blow Off Valve kit equips 1993-1998 Toyota Supra Twin Turbo models with a high-response sequential release valve and complete piping assembly. It replaces stock components for sharper throttle response reduced compressor surge and reliable operation under high boost pressures up to 2.0 bar. Direct bolt-on design ensures seamless integration into the factory intercooler piping setup.
Key Features
- Progressive Dual-Valve Operation: Inner valve opens first for low boost subtle release outer valve engages at high boost for full high-flow venting preventing surge
- Three Interchangeable Springs: Includes soft medium and hard springs for precise tuning to match engine modifications and boost levels from stock to 30 psi
- Pull-Type Diaphragm Design: Maintains tight seal under high pressure for consistent boost holding unlike push-type valves that leak at elevated levels
- Supra-Specific Adapter and Piping: CNC machined aluminum flange and stainless steel race pipe provide leak-free fitment connecting directly to stock turbo outlet and intercooler
- Lightweight Durable Construction: Die-cast aluminum body with anodized finish resists corrosion weighs only 4.85 lbs for minimal impact on engine bay balance
Product Notes
- Requires ECU tuning or boost controller adjustment after installation to optimize spring preload
- Regular inspection of O-rings and diaphragm recommended for long-term performance
- Ships in protective foam-lined box measuring 12 x 10 x 8 inches
Installation Notes
- Professional installation recommended.
- Remove stock blow-off valve and recirc hose then bolt on HKS adapter with provided gasket and hardware
- Compatible with factory turbocharger mounting no additional brackets needed
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1993-1998 | Toyota | Supra | Twin Turbo |
Why Choose HKS?
- Over 50 years of engineering turbo systems for JDM icons like the Supra
- Proven in motorsports with components trusted by professional race teams
- Exact OEM-level tolerances ensure vibration-free operation and longevity
Frequently Asked Questions
-
Q: Does this kit fit all 1993-1998 Supra Twin Turbo models?
A: Yes it bolts directly to the factory turbo outlet on JZA80 chassis 2JZ-GTE engines including USDM JDM and aftermarket turbo variants no modifications required -
Q: What materials are used in the SSQV4 construction?
A: Features die-cast aluminum body with anodized coating stainless steel springs and high-strength silicone diaphragm for heat and pressure resistance -
Q: What is the warranty and installation support?
A: Backed by HKS 1-year limited warranty includes detailed instructions and fits without cutting stock piping professional tuning advised for best results
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Secure foam-lined box 12 x 10 x 8 inches
- Weight: 4.85 lbs
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