SKU: 2012-01 | UPC: GSC2012-01
GSC Power-Division Subaru EJ205/EJ207/EJ257 Chrome Polished Intake Valve – 36mm Head (STD) – Single (1999-2015 Impreza WRX & STI)
This GSC Power-Division chrome polished intake valve boosts airflow and stands up to high heat in Subaru EJ205 EJ207 EJ257 turbo engines. It works in 1999-2015 Impreza WRX STI models plus select Saab 9-2X for reliable power in boosted setups. Built to manage high boost and revs with precise engineering for consistent results.
Key Features
- Chrome Polished Finish: Chrome strip below valve head improves heat transfer and resists wear during extended high-heat operation
- One-Piece Forged 4340 Chromoly: Provides strength to withstand extreme valve train stress in turbocharged applications
- Beveledge Seat Design: Increases seat contact by 15 degrees for better sealing and higher flow rates
- Swirl Polished Head: Reduces turbulence for smoother intake flow and more efficient combustion
- Precise Dimensions: 36.00mm head diameter 5.94mm stem 105.15mm overall length matches OEM specs for drop-in compatibility
Product Notes
- Sold as single valve order quantity needed for full set
- Pair with GSC valve springs and retainers for complete valvetrain upgrade
- Ships in protective individual packaging to prevent damage
Installation Notes
- Professional installation recommended.
- Inspect valve guides and seats for wear before installation
- Compatible with stock or upgraded valve seals and keepers
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1999-2001 | Subaru | Impreza | L |
| 1999-2004 | Subaru | Impreza | Outback |
| 1999-2005 | Subaru | Impreza | RS |
| 2002-2004 | Subaru | Impreza | TS |
| 2002-2014 | Subaru | Impreza | WRX |
| 2004-2014 | Subaru | Impreza | WRX STI |
| 2005 | Saab | 9-2X | Aero |
| 2005-2011 | Subaru | Impreza | Outback Sport |
| 2006-2007 | Subaru | Impreza | WRX Limited |
| 2006-2007 | Subaru | Impreza | WRX TR |
| 2006-2011 | Subaru | Impreza | 2.5i |
| 2009-2010 | Subaru | Impreza | 2.5 GT |
| 2010 | Subaru | Impreza | WRX STI Special Edition |
| 2010-2011 | Subaru | Impreza | 2.5i Premium |
| 2010-2014 | Subaru | Impreza | WRX Limited |
| 2007 | Subaru | Impreza | WRX STI Limited |
| 2009-2014 | Subaru | Impreza | WRX Premium |
| 2011-2014 | Subaru | Impreza | WRX STI Limited |
| 2012-2014 | Subaru | Impreza | Base |
| 2012-2014 | Subaru | Impreza | Limited |
| 2012-2014 | Subaru | Impreza | Premium |
| 2012-2014 | Subaru | Impreza | Sport Limited |
| 2012-2014 | Subaru | Impreza | Sport Premium |
| 2015 | Subaru | WRX STI | Base |
| 2015 | Subaru | WRX STI | Launch Edition |
| 2015 | Subaru | WRX STI | Limited |
Why Choose GSC Power-Division?
- Leads Subaru valvetrain components in professional racing series
- Uses premium 4340 chromoly for long-term reliability under boost
- CNC-machined in the USA for exact tolerances and consistent performance
Frequently Asked Questions
- Q: Which engines does this valve fit?
A: Designed specifically for Subaru EJ205 EJ207 and EJ257 2.0L/2.5L turbo engines found in WRX and STI models - Q: What material and finish are used?
A: Forged from 4340 chromoly steel with chrome polished finish under the head and swirl polished top for optimal flow and heat management - Q: What warranty is provided?
A: Lifetime warranty against manufacturing defects when installed by certified technician
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: Protective foam sleeve in 6 x 4 x 1 inch box
- Weight: 0.15 lbs
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