Manley 620010CE-4 Forged Piston Kit Subaru WRX CR - 98+ EJ205 93mm 8.5 1

The Manley 620010CE-4 is a complete forged piston kit designed specifically for 1998 and newer Subaru WRX models equipped with the EJ205 turbocharged engine. This performance piston set features a dish design optimized for turbocharged applications, delivering an 8.5:1 compression ratio that provides excellent boost response and detonation resistance.

Key Specifications:

• Bore Size: 93mm (+1mm overbore)
• Compression Ratio: 8.5:1
• Dish design for forced induction applications
• Forged construction for superior strength and durability
• Engineered specifically for EJ205 engine architecture

Features and Benefits:

• Premium forged aluminum construction withstands extreme cylinder pressures and high RPM operation
• Dish piston design accommodates increased boost levels while maintaining safe compression ratio
• Includes complete ring set (top, second, and oil rings) for convenient installation
• 1mm overbore allows for cylinder reconditioning while restoring compression
• Precision machined to exacting tolerances for optimal ring seal and longevity
• Ideal for street performance, track use, and forced induction engine builds

This piston kit is engineered to meet the demanding requirements of modified turbocharged Subaru engines, offering the durability needed for increased power output while maintaining reliability. The 8.5:1 compression ratio provides an excellent balance for high-boost applications with proper tuning.