SKU: 71008-AK005 | UPC: 4957266265697
HKS SQV IV Black Edition Universal Blow Off Valve Assembly
The HKS SQV IV Black Edition Universal Assembly blow off valve provides precise boost pressure control for turbocharged vehicles. Designed as a universal fit it includes adapters for intake pipes from 25mm to 51mm ID popular on Subaru Impreza WRX STI Nissan 350Z 370Z GT-R and Mitsubishi Lancer Evolution. Expect sharper throttle response iconic whoosh sound and reliable operation under high boost.
Key Features
- Sequential Dual Valve Design: Pilot actuator opens valve progressively low boost uses small area for quiet release high boost fully opens for maximum airflow
- Black Anodized Billet Aluminum: Lightweight corrosion resistant construction with premium finish resists heat and wear
- Multiple Flange Adapters: Includes metal and rubber flanges for 25-32mm 32-38mm 38-50mm hoses bolt-on compatibility no welding needed
- High Flow Capacity: Handles up to 600hp supports larger turbos maintains boost stability reduces compressor surge
- Viton O-Rings and Hardware: Heat resistant seals and full mounting kit ensure leak-free performance easy servicing
Product Notes
- Adjust preload spring for boost levels up to 2.0kg/cm²
- Pair with HKS intake pipe for best results
- Secure packaging prevents shipping damage
Installation Notes
- Professional installation recommended.
- Clamp flanges to existing piping no cutting required
- Compatible with HKS SSQV3 upgrade kits and OEM turbo setups
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2002-2007 | Subaru | Impreza | WRX |
| 2004-2021 | Subaru | Impreza | WRX STI |
| 2015-2021 | Subaru | WRX | STI |
| 2003-2008 | Nissan | 350Z | All |
| 2009-2020 | Nissan | 370Z | All |
| 1989-1998 | Nissan | Skyline | GT-R R32/R33 |
| 1999-2002 | Nissan | Skyline | GT-R R34 |
| 2007-2023 | Nissan | GT-R | R35 |
| 2003-2006 | Mitsubishi | Lancer | Evolution VIII/IX |
| 2007-2015 | Mitsubishi | Lancer | Evolution X |
Why Choose HKS?
- Developed sequential blow off valve technology first in 1994
- Used in professional racing worldwide
- Machined to micron tolerances for consistent performance
Frequently Asked Questions
- Q: Will this fit my turbocharged Subaru WRX STI?
A: Yes universal flanges match 32-38mm piping common on STI models select correct adapter for direct bolt-on - Q: What material and finish used?
A: CNC billet aluminum body with black anodized coating for heat resistance and sleek appearance - Q: What warranty coverage provided?
A: HKS 1-year manufacturer defect warranty covers parts and labor with proof of purchase
Shipping & Handling
- Method: UPS Ground
- Availability: In stock – ships same or next business day
- Packaging: Original HKS box 7.1 x 5.5 x 4.7 inches
- Weight: 1.54 lbs
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