Cosworth 92.5mm 8.0:1cr Pistons Subaru WRX EJ2.2L 2002-2005

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The piston is one of the most important components within an engine. It can be subjected to directional change up to 285 times every second and must withstand acceleration forces up to 8500g. Cosworth high performance forged pistons are designed and engineered to withstand this type of punishment and still perform. All Cosworth forged pistons are manufactured using the same methods as their Formula One pistons and feature friction reducing skirt coating, ultra strong pins, polished tops and patented anti-detonation bands. Additionally, each application uses a unique forging to minimize weight and ensure the strongest possible piston design.
Subaru WRX EJ20 (2.2L) 92.5mm 8.0:1cr (For use with 79mm crankshaft) Features:

Proprietary Cosworth alloy
Popular sizes
Unique forging
Skirt coating
Polished top
Anti-detonation bands
High strength pin

Includes: Pistons, Wrist Pins, Circlips

Ring kit Sold Separately and required for installation.


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