SKU: 82004-AK023 | UPC: 4957266372067
HKS Adjustable Knob (Inverted) 82004-AK023 for 2004-2021 Subaru Impreza WRX STI Nissan 350Z 370Z Toyota 86 BRZ
The HKS Adjustable Knob (Inverted) threads onto Sequential Blow Off Valve preload stems for precise boost response tuning on SQV4 and Super SQV4 valves. It installs directly on Subaru Impreza WRX STI Nissan 350Z 370Z Toyota 86 BRZ and other JDM vehicles equipped with compatible HKS valves. Inverted design positions the knob lower to enable fast adjustments during track sessions or street driving without steering wheel interference.
Key Features
- Inverted Design: Positions knob lower for rapid preload adjustments without contacting the steering wheel during dynamic driving
- Precision Threading: Provides smooth rotation that secures exact settings for repeatable boost performance across all conditions
- CNC Aluminum Build: Delivers lightweight construction that withstands extreme boost pressures in high-performance applications
- Anodized Finish: Black coating protects against engine bay heat corrosion and daily wear for long-term reliability
- Direct HKS Fit: Bolts onto SQV series preload stems without adapters or modifications for plug-and-play installation
Product Notes
- Pair with HKS SQV4 kits for complete valve assembly integration
- Check preload settings after track sessions to maintain optimal valve action
- Compact size stores easily in standard tool bags for transport to events
Installation Notes
- Professional installation recommended.
- Unscrew factory knob counterclockwise then thread new knob clockwise onto stem
- Works with HKS Type A B G flanges on SQV4 Super SQV4 valves
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2004-2007 | Subaru | Impreza WRX STI | Base |
| 2008-2014 | Subaru | Impreza WRX STI | Base |
| 2015-2021 | Subaru | WRX STI | Base |
| 2003-2008 | Nissan | 350Z | Track Enthusiast |
| 2009-2020 | Nissan | 370Z | Base NISMO |
| 2012-2021 | Toyota | 86 | Base GT |
| 2013-2021 | Subaru | BRZ | Base Limited |
Why Choose HKS?
- Motorsport proven components trusted in Super GT D1GP racing series
- Japanese manufacturing delivers tight tolerances for reliable fit
- Boost components engineered for daily driving and competition demands
Frequently Asked Questions
- Q: Does this knob fit all HKS SQV blow-off valves?
A: Yes threads directly onto preload adjusters of SQV4 Super SQV4 Type A B G universal kits - Q: What material and finish does it have?
A: CNC machined from billet aluminum with black anodized coating for heat scratch resistance - Q: How long is the warranty on this part?
A: HKS provides limited lifetime warranty against manufacturing defects with proper installation
Shipping & Handling
- Method: UPS Ground
- Availability: In stock – ships same or next business day
- Packaging: Small padded box 4 x 3 x 2 inches
- Weight: 0.04 lbs
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