Restore Peak Performance: ProSpeed EJ25 Piston & Ring Set
The Subaru EJ25 series engine (EJ25, EJ255, EJ257) is the heart of countless performance legends like the Impreza WRX, STI, and Forester XT. Over time, with increased power demands, original pistons and rings can wear, leading to reduced compression, oil consumption, and loss of power.
Our ProSpeed OEM-Spec Piston & Ring Set for Subaru EJ25, EJ255, EJ257 Engines provides a reliable and high-quality solution for restoring your engine’s internal integrity and restoring its factory performance.
This Subaru EJ25 EJ255 EJ257 Replacement Piston Set is designed to meet or exceed OEM specifications, ensuring a precise fit and reliable operation for your engine rebuild or refresh. Each set includes all necessary components for a complete engine, helping you address common EJ25 issues and get your beloved Subaru back on the road, performing as it should.
What You Get Here:
- Complete Piston & Ring Set: Includes a full set of 4 pistons, 4 wrist pins, 8 circlips, and a complete set of piston rings.
- OEM-Spec Quality: Manufactured to meet or exceed original equipment manufacturer (OEM) standards for fitment, durability, and performance.
- Restore Compression & Power: Replaces worn or damaged pistons and rings to restore cylinder compression and lost engine horsepower and torque.
- Direct Replacement: Engineered for direct compatibility with Subaru EJ25 series engines, ensuring a straightforward fit during a professional engine build.
- Addresses Common Wear: Ideal for addressing issues such as ringland failure, excessive oil consumption, or low compression, often seen in high-mileage or high-stress EJ25 engines.
Fitment:
- Make: Subaru, Saab (for Saab 9-2X Aero)
- Engine Series: EJ25, EJ251, EJ252, EJ253
- Common Applications (but verify specific engine code):
- Subaru Impreza WRX STI
- Subaru Forester XT
- Subaru Legacy GT
- Saab 9-2X Aero
- Years: 1999 – 2006
- Important Note: Always confirm your specific engine code and piston requirements with a qualified mechanic or engine builder before purchasing, as variations can exist even within the same vehicle model.
*For optimal results, professional installation is always recommended.
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