CP Piston & Ring Set for Subaru EJ257 WRX STi - Bore (99.75mm) - Size (0.25mm) - CR (8.2)

CP Piston & Ring Set for Subaru EJ257 WRX STi - Bore (99.75mm) - Size (0.25mm) - CR (8.2)

Upgrade your Subaru WRX STi with the CP Pistons and Ring Set designed specifically for the EJ257 engine. This high-performance set features pistons with a bore diameter of 99.75mm, providing a precise fit for your engine rebuild or upgrade. The set incorporates a 0.25mm oversize to accommodate larger cylinders and ensure optimal compression and durability. The compression ratio of 8.2 enhances power output while maintaining reliability, making it suitable for high-performance applications.
Constructed by CP Pistons, this set includes durable pistons and rings engineered to withstand the rigors of spirited driving and racing. The components are crafted from quality materials that offer excellent thermal stability and wear resistance. Installation of these pistons can improve engine efficiency, boost horsepower, and extend engine life when paired with proper tuning and assembly.
This product is compatible with various Subaru Impreza models from 2004 to 2012, including the 2005, 2006, 2007, 2009, and 2011-2012 versions. It is ideal for enthusiasts looking to rebuild or enhance their EJ257-powered vehicle with reliable, high-performance parts. Please note, this set is not CARB approved and requires acknowledgment of this status during installation. It is not suitable for air freight and should be handled accordingly during shipping and installation processes.

Features:

• Bore diameter: 99.75mm for precise fit and performance

• Oversize: 0.25mm to accommodate larger cylinders

• Compression Ratio: 8.2 for balanced power and reliability

• Engine Compatibility: Fits Subaru EJ257 engines in WRX STi models

• High-Quality Construction: Designed for durability and thermal stability

• Includes pistons and rings optimized for high-performance applications

• Suitable for engine rebuilds and upgrades on Subaru Impreza models from 2004 to 2012

Fitment:
Subaru Impreza WRX STI 2004
Subaru Impreza WRX STI 2005
Subaru Impreza WRX STI 2006
Subaru Impreza WRX STI 2007
Subaru Impreza WRX STI 2008
Subaru Impreza WRX STI 2009
Subaru Impreza WRX STI 2010
Subaru Impreza WRX STI 2011
Subaru Impreza WRX STI 2012
Subaru Impreza WRX STI Limited 2007
Subaru Impreza WRX STI Limited 2011
Subaru Impreza WRX STI Limited 2012
Subaru Impreza WRX STI Special Edition 2010