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Manley Platinum Series forged pistons for the 2004 and later Subaru WRX STI EJ257 99.5mm bore are 2618 alloy forgings built for strength and performance. Features include precise cam and barrel skirt profiles, tool steel wrist pins and moly skirt coatings on select part numbers. These pistons are targeted at engine builders seeking durable, high-quality forged pistons.
Manley 04+ Subaru WRX STi EJ257 99.5mm Bore STD 8.5CR -17cc Dish Piston Set w/Rings
