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SKU: B2015-50
GSC P-D Subaru EJ205/EJ207/EJ257 Chrome Polished Super Alloy Exhaust Valve - 32mm Head - Set of 50 (2002-2021 Impreza WRX/STI)
GSC Power-Division chrome polished super alloy exhaust valves feature a 32mm head diameter designed specifically for Subaru EJ205 EJ207 and EJ257 turbo engines in 2002-2021 Impreza WRX and STI models. This set of 50 valves delivers reliable exhaust flow and heat resistance under extreme boost and RPM conditions. Precision manufacturing ensures drop-in fit for performance builds.
Key Features
- Super Alloy Construction: One-piece forged design withstands high temperatures and stresses in turbocharged applications
- Chrome Polished Finish: Reduces friction enhances heat dissipation and extends valve life during sustained high-RPM operation
- 32mm Head Diameter: Optimized size improves exhaust scavenging and pairs with stock or ported heads for better power output
- 6.98mm Stem x 100.5mm Length: Exact dimensions match OEM specs with 5.5mm margin for reliable sealing and spring compatibility
- Set of 50: Bulk quantity supports multiple engine builds shop use or spare inventory with consistent quality across all pieces
Product Notes
- Valves require compatible GSC or OEM valve guides and seats for installation
- Inspect cylinder head condition prior to installation to ensure proper seating
- Ships in protective packaging to prevent damage during transit
Installation Notes
- Professional installation recommended.
- Lap valves for perfect seal and use assembly lube on stems during install
- Compatible with stock valve springs up to 150lb seat pressure or GSC upgraded springs
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2002-2005 | Subaru | Impreza | WRX |
| 2004-2007 | Subaru | Impreza | WRX STI |
| 2008-2014 | Subaru | Impreza | WRX STI |
| 2015-2021 | Subaru | WRX | STI |
| 2004-2009 | Subaru | Legacy | GT |
| 2004-2012 | Subaru | Forester | XT |
Why Choose GSC Power-Division?
- Engineered in the USA since 2004 for Japanese sport compact performance parts
- State-of-the-art FEA software and CNC grinding for lightweight durable components
- Precision fit valve guides and valvetrain parts tuned for maximum airflow and reliability
Frequently Asked Questions
-
Q: Which Subaru engines are compatible with these valves?
A: Fits exhaust positions in EJ205 EJ207 and EJ257 2.0L/2.5L turbo engines used in WRX and STI models from 2002-2021 -
Q: What material and finish are used?
A: Forged super alloy with chrome polished surface for superior heat resistance and reduced guide wear -
Q: What is the warranty and install requirement?
A: GSC provides defect warranty. professional install advised with head resurfacing and valve job for best results
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Secure box measuring 14 x 10 x 6 inches
- Weight: 6.8 lbs
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