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Manley forged piston set for 2004+ Subaru WRX STi (EJ257) DE-stroked applications includes pistons and rings in the specified bore and dish configuration. Manley’s Platinum Series features 2618 alloy forgings, precise cam-and-barrel skirt profiles and exacting ring lands and grooves for reliable ring seal. The pistons are engineered for engine builders seeking durable forgings and controlled piston geometry for the EJ257 platform.
Manley 04+ Subaru WRX STi (EJ257) 75mm DE-STROKED 99.5mm STD Bore 9.8:1 Dish Piston Set with Rings
