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This Manley forged piston set is specified for 2004+ Subaru WRX/STI EJ257 applications with a 99.75 mm bore (+0.25 mm) and a 9.8:1 dish. Part of the Platinum Series, the set uses 2618 alloy forgings, chrome-moly wrist pins, and carefully controlled ring groove machining to deliver the dimensional accuracy and skirt profiles that professional builders expect for reliable, high-output engine assemblies.
Manley 04+ Subaru WRX/STi EH257 99.75mm +.25mm Bore 9.8:1 Dish Piston Set of 4
