CP Piston & Ring Set for Subaru EJ257 WRX STi - Bore (100.5mm) - Size (+1.0mm) - CR (8.2) Set of 4

CP Piston & Ring Set for Subaru EJ257 WRX STi - Bore (100.5mm) - Size (+1.0mm) - CR (8.2) Set of 4

Upgrade your Subaru WRX STi with the CP Pistons and Ring Set designed specifically for the EJ257 engine. This set includes four high-quality pistons and rings that provide reliable performance and durability under demanding driving conditions. The pistons feature a bore size of 100.5mm with a +1.0mm oversize to ensure precise fitment and optimal engine compression. The compression ratio of 8.2 enhances power output while maintaining engine efficiency, making it an excellent choice for enthusiasts looking to improve their vehicle's performance.
Constructed by CP Pistons, a reputable brand known for precision-engineered automotive components, this set is suitable for a range of Subaru Impreza models from 2004 to 2012. The pistons are crafted to meet the specifications required for turbocharged engines, ensuring smooth operation and longevity. The set is ideal for rebuilds, performance upgrades, or restoring your engine to factory specifications.
Each piston and ring set is manufactured with strict quality standards, ensuring compatibility and reliable operation. The set is not CARB-approved but is acknowledged for use in non-emissions-restricted applications. Proper installation and adherence to recommended procedures are essential to maximize performance benefits. Whether you're rebuilding a high-performance engine or restoring your Subaru to its original condition, this CP piston and ring set offers a dependable solution for your automotive needs.

Features:

• Bore size: 100.5mm for precise fitment in EJ257 engines

• Oversize (+1.0mm) designed for engine rebuilding and performance upgrades

• Compression ratio of 8.2, optimized for turbocharged Subaru engines

• Set includes four pistons and rings for complete engine rebuild

• Manufactured by CP Pistons, known for quality and durability

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