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The Manley Platinum Series forged piston set is specified for 2004+ Subaru WRX/STi EJ257 engines configured as a DE-stroker with 75 mm stroke and a 99.5 mm standard bore with an 8.5:1 dish. These pistons use domestic 2618 alloy forgings and incorporate proven cam-and-barrel skirt profiles, chrome-moly wrist pins, and precise ring lands and grooves favored by professional engine builders and tuners.
Manley 04+ Subaru WRX/STi (EJ257) 75mm DE-Stroker 99.5mm STD Size Bore 8.5:1 Dish Piston Set
