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This Manley Platinum Series forged piston set fits 2004+ Subaru WRX/STi (EJ257) stroker builds using an 83 mm stroke and a 100.0 mm bore (+0.50 mm) with a 9.8:1 dish. The pistons are built from domestic 2618 alloy forgings and benefit from Manley’s unique fixturing, exacting ring lands and grooves, and durable wrist pins to serve professional engine builders and tuners.
Manley 04+ Subaru WRX/STi (EJ257) 83mm Stroker 100.0mm +.50mm Size Bore 9.8:1 Dish Piston Set
