Wossner Forged Pistons for Subaru Impreza WRX STI EJ257 STROKER
Upgrade your engine's performance with Wossner Forged Pistons, specifically designed for the Subaru Impreza WRX STI EJ257 STROKER (2004-2006). With a bore size of 100.00mm and a compression ratio of 8.0:1, these pistons deliver exceptional strength and lightweight performance.
Key Features
- Superior Strength: Made from dedicated in-house forgings.
- Advanced Design: Features optimized skirt profiles and complex dome shapes.
- Complete Kit: Includes rings, wristpins, locks, and specification sheets.
Why Choose Wossner?
As a leader in multivalve piston technology, Wossner ensures that you receive a product that not only enhances performance but also maintains engine quietness with its unique pin offset design. Trust Racestage.eu for your purchase, as we are the exclusive retailer for Wossner products, providing you with quality assurance and expert support.
Transform your driving experience with Wossner pistons—order now at Racestage.eu!
Vehicle Compatibility
| Brand | Model | Generation / Chassis | Engine |
|---|---|---|---|
| Subaru | IMPREZA WRX STI | 2004-2006 | EJ257 |
WOSSNER
Founded in 1994 in Germany, Wössner is a specialist manufacturer of high-performance forged pistons and engine internals. Wössner pistons are machined from aerospace-grade aluminium alloys and are available for a vast range of naturally aspirated, turbocharged, and racing engine applications, trusted by performance engine builders worldwide.
Official page: woessner-kolben.de
Official page: woessner-kolben.de
| Default | |
| Make | Subaru |
| Engine | EJ257 |
Wossner 100mm Forged Pistons for Subaru WRX STI EJ257
848.95€
Excl. VAT: 701.61€
| Brand | Model | Generation | Engine |
|---|---|---|---|
| Subaru | IMPREZA WRX STI | 2004-2006 | EJ257 |

Official page: woessner-kolben.de
| Default | |
| Make | Subaru |
| Engine | EJ257 |