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Manley Platinum Series forged pistons for 2004+ Subaru WRX/STi (EJ257) are 2618 alloy forgings built for demanding rebuilds. The lineup features precise cam-and-barrel skirt profiles, tool-steel wrist pins and selective moly skirt coatings to improve skirt life. Manley emphasizes exacting ring lands and grooves, unique fixturing for machining accuracy, and construction intended for professional engine builders and tuners.
Manley 04+ Subaru WRX/STi (EJ257) 83mm Stroke 99.75mm +.25mm Size B 8.5:1 CR Extreme Duty Piston Set
