Description
EXCLUSIVE ITEM!
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Cosworth Forged Pistons for the 2004-2021 Subaru Impreza STi with the EJ257 (2.5L) and 2006-2014 EJ255 engines are designed for high performance and maximum horsepower and torque. Each Cosworth Forged Piston is thoroughly engineered and tested for maximum performance as well as durability. These are the mainstay of our own engine program and are utilized in every Subaru engine we build. If you are looking for great design, the highest quality, tightest machining tolerances, and superior materials there is no other choice. Upgrade your 2004-2017 Subaru STi with Cosworth Forged Pistons and experience the performance and reliability that has made Cosworth renowned in the performance aftermarket as well as racing circuits all over the world. The piston set comes complete with tool steel wrist pins, circlips, and piston rings.
Applications:
2004-2021 Subaru Impreza STI / STI
2006-2014 Subaru Impreza WRX / WRX (Compression Ratio of 8.8:1)
2004-2013 Subaru Forester XT/2.5XT (Compression Ratio of 8.8:1)
2005-2013 Subaru Legacy GT/2.5GT (Compression Ratio of 8.8:1)
2005-2009 Subaru Outback XT/2.5XT (Compression Ratio of 8.8:1)
2004-2006 Subaru Baja Turbo (Compression Ratio of 8.8:1)
2009-2010 Subaru Impreza 2.5GT (Compression Ratio of 8.8:1)
2006 SAAB 9-2x Aero (Compression Ratio of 8.8:1)
Features
- ‘Xylan’ anti scuff skirt coating
- Motorsports derived ultra-strong “box in box” forging
- Polished tops (reduces carbon build up and relieves stress)
- Manufactured from proprietary low thermal expansion alloy (CosAl 010)
- Ultra strong precision ground wrist pins
- Patented anti-detonation bands
- Piston Rings, wrist pins, wire circlips included
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