High-Output Forged Pistons for Subaru EJ257

Take your Subaru EJ257 engine build to the next level with this CP Pistons Forged Piston and Ring Set. Designed for a 100.5mm bore, this set is intended for engines requiring a 1.0mm overbore, providing a fresh start for high-mileage blocks or those seeking increased displacement. These pistons are engineered to handle the extreme heat and pressure of high-performance forced induction setups.

Built for Performance

• 1.0mm Overbore: Ideal for engines requiring significant cylinder wall cleanup or displacement increases.
• Forged Aluminum: Provides exceptional structural integrity under high-boost conditions.
• 8.2:1 Compression Ratio: Optimized for turbo-charged Subaru engines to maximize power while managing knock.
• Comprehensive Kit: Includes a full set of 4 pistons, rings, wrist pins, and locks for a complete installation.

Designed for the 2004-2012 Subaru Impreza WRX STi, these pistons are the gold standard for enthusiasts who refuse to compromise on quality. The forged construction ensures that your engine can handle the demands of track days, drag racing, or spirited street driving. With CP Pistons, you gain the peace of mind that comes with industry-leading engineering and testing. Don't settle for less when it comes to your engine's heart—upgrade with confidence using the best parts from GGCRACING.