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SKU: B2012-50
GSC P-D Subaru EJ205/EJ207/EJ257 Chrome Polished Intake Valve - 36mm Head (STD) - Set of 50
GSC Power-Division chrome polished intake valves feature 36mm heads for Subaru EJ205 EJ207 and EJ257 engines found in Impreza WRX STI Forester XT and Legacy GT models. This bulk set of 50 supports high-volume engine rebuilds with improved airflow and reduced friction for higher power output. Engine builders rely on these valves for reliable performance in turbocharged applications.
Key Features
- Chrome Polished Stem: Reduces valve guide wear friction and improves heat dissipation for longer life in high-heat turbo environments
- 36mm Head Diameter: Delivers higher intake flow volume over stock design supporting increased horsepower and throttle response
- Forged 21-4N Stainless Steel: Provides fatigue resistance and strength at high RPMs preventing flex or failure during aggressive driving
- STD +1.00mm Length (113.70mm overall): Ensures exact fit in stock or ported heads with 5.96mm stem diameter and 1.90mm margin
- Set of 50 Valves: Bulk packaging ideal for race shops tuning multiple Subaru engines cost-effectively
Product Notes
- Pair with performance valve springs retainers and seals for complete valvetrain upgrade
- Inspect cylinder head guides and seats prior to installation
- Packaged in protective tubes and box to arrive undamaged
Installation Notes
- Professional installation recommended.
- Full valve job with multi-angle seat cutting required for optimal sealing and flow
- Compatible with OEM heads and aftermarket porting no special hardware needed
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2002-2005 | Subaru | Impreza | WRX |
| 2004-2007 | Subaru | Impreza | WRX STI |
| 2004-2013 | Subaru | Forester | 2.5 XT |
| 2005-2009 | Subaru | Legacy | 2.5 GT |
| 2005-2009 | Subaru | Outback | 2.5 XT |
| 2008-2014 | Subaru | Impreza | WRX STI |
Why Choose GSC?
- Proven in WRX STI drag racing rally and time attack competitions
- Machined to micron tolerances for consistent valvetrain stability
- Designed by engineers focused on Subaru turbo engine demands
Frequently Asked Questions
-
Q: Do these fit EJ255 engines in Forester XT or Legacy GT?
A: Yes fully compatible with EJ255 EJ257 EJ205 EJ207 cylinder heads across listed models -
Q: What are the exact dimensions and material?
A: 36.00mm head 5.96mm stem 113.70mm length forged 21-4N stainless with chrome polished stem finish -
Q: What warranty applies and install tips?
A: Limited manufacturer defect warranty contact GSC for details valve job essential for proper function
Shipping & Handling
- Method: Standard ground
- Availability: In stock - ships same or next business day
- Packaging: Protective tubes in sturdy box approximately 12x8x6 inches
- Weight: 7 lbs shipping weight
GSC Power Division
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