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A Manley Platinum Series forged piston for 2004+ Subaru WRX and STI EH257 applications, offered as the Grade B single piston in the specified bore. Manley’s pistons rely on 2618 alloy forgings, refined cam and barrel skirt profiles, and quality wrist pin fittings to maintain ring seal and dimensional stability under demanding conditions favored by professional builders and tuners.
Manley 04+ Subaru WRX/STI EH257 99.50mm STD (Grade B) Bore 8.5:1 Dish Piston (SINGLE PISTON)
