
Manley forged piston set for 2004+ Subaru WRX STi (EJ257) de-stroked and overbore applications is supplied complete with rings and matches the listed bore and dish dimensions. The Platinum Series pistons use 2618 alloy forgings, proven skirt profiles and tool-steel wrist pins, with tight machining for proper ring groove and land geometry. These pistons suit EJ257 builds requiring precise forged components.
Manley 04+ Subaru WRX STi (EJ257) 75mm DE-STROKED 99.75mm +.25mm Bore 9.8:1 Dish Piston Set w/ Rings