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The Manley Platinum Series forged piston set for 2004+ Subaru WRX/STi (EJ257) is offered for an 83 mm stroker configuration with a 99.75 mm bore (+0.25 mm) and an 8.5:1 dish. These pistons are built from domestic 2618 alloy forgings and feature Manley’s proven skirt profiles, chrome-moly wrist pins, and meticulous ring land and groove machining suited to professional engine builds and performance applications.
Manley 04+ Subaru WRX/STi (EJ257) 83mm Stroker 99.75mm +.25mm Size Bore 8.5:1 Dish Piston Set
