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Manley Platinum Series forged piston set for 2004+ Subaru WRX/STi, 99.50mm standard bore with a 9.8:1 dish, built for professional engine builders and tuners seeking durable, high-quality internals. These pistons use domestic 2618 alloy forgings, proven cam-and-barrel skirt profiles and tool steel wrist pins, with exacting ring lands and grooves and moly skirt coatings on select parts for improved ring seal and long-term durability.
Manley 04+ Subaru WRX/STi EH257 99.50mm STD Bore 9.8:1 Dish Piston Set of 4
