Manley Performance 620000C-4 Platinum Series 79mm +4mm Stroker Piston Set for Subaru WRX (EJ205) with Rings

Description

Upgrade your Subaru WRX (EJ205) with the Manley Performance 620000C-4 Platinum Series piston set, designed for high-performance applications and durability. Crafted from premium 2618 alloy forgings, these pistons provide exceptional strength and resistance to stress during aggressive driving or racing. The advanced cam and barrel (skirt) profiles are engineered to generate substantial power while preserving the integrity of your engine’s cylinder walls. The set includes chrome moly wrist pins, offering reliable performance, with optional upgrades to 9310 or Turbo Tuff/DLC alloys for enhanced durability in demanding conditions.
Manley’s precise manufacturing process ensures exacting ring lands and grooves, which improve ring seal and overall engine performance. The unique fixturing technique allows for efficient skirt turning and ring groove machining in a single operation, guaranteeing the ring groove to skirt squareness for optimal sealing and power output. This piston set is specifically designed to fit 2002-2005 Subaru Impreza models and certain Saab 9-2X vehicles, making it a versatile upgrade for enthusiasts seeking increased displacement and performance.
Built with a 79mm diameter, a +4mm stroke, and a 92mm bore size, these pistons are suitable for a 8.5:1 compression ratio, ensuring a balanced blend of power and efficiency. The set is intended for high-performance use, requiring carb acknowledgment and compliant with Prop 65 standards. As a professional-grade component, it is not carb approved but is ideal for engine builders and tuners aiming for reliable, race-ready results in their Subaru or Saab engines.

Features:

• 2618 alloy forgings for superior strength and performance

• Cam and barrel skirt profiles designed for high power output

• Chrome moly wrist pins with optional upgrades to 9310 and Turbo Tuff/DLC alloys

• Precise ring lands and grooves for enhanced ring seal

• Unique fixturing for efficient skirt turning and ring groove machining

Fitment:
Saab 9-2X Aero 2005
Subaru Impreza WRX 2002
Subaru Impreza WRX 2003
Subaru Impreza WRX 2004
Subaru Impreza WRX 2005