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Manley's Platinum Series pistons for 2004+ Subaru WRX STI (EJ257) use domestic 2618 alloy forgings and proven cam-and-barrel skirt profiles to deliver strength under demanding conditions. These pistons include high-quality wrist pin and skirt treatments and precise ring lands and grooves, offering engine builders a durable, race-capable forged piston option for the EJ257 platform.
Manley 04+ Subaru WRX STi (EJ257) STD Stroke 99.55mm +.05mm Bore 8.5:1 Dish Piston/Ring Set - SINGLE
