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Manley Platinum Series forged piston set for the Subaru 2.5L EJ257 WRX STI, offered with a 99.75mm bore, 1.209in compression height and -17.00cc crown. Intended for high-output rebuilds, it pairs durable forgings with precise machining. Domestic 2618 alloy forgings, cam-and-barrel skirt profiles and tool-steel wrist pins are complemented by moly skirt coatings on select SKUs; tight ring lands and single-operation fixturing ensure improved ring seal and consistency.
Manley Subaru 2.5L EJ257 WRX STi Piston Set - 99.75mm Bore 1.209in CH, -17.00 CC
