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A Manley Platinum Series forged piston for 2004+ Subaru WRX STI (EJ257) in standard size, finished to exacting standards for demanding builds. It uses 2618 alloy forgings, proven cam-and-barrel skirt profiles, and tool steel/chrome moly wrist pins, with strict ring lands and grooves for improved seal. This single piston is built to meet professional engine-building tolerances for reliable durability.
Manley 04+ WRX STi (EJ257) Size (STD) Stroke (79mm) Bore (99.50mm Grade B) SINGLE Piston w/ Rings
